Our researchers are a reflection of CISeAL's permanent effort to invest its best resources and human talent in the pursuit of wellbeing for those who need it the most.

Luciana Armijos, M.D.     

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Emerging diseases

 

 

 

 

  Education:

• 2017. Master in Public Health. Johns Hopkins Bloomberg School of Public Health. USA. Speciality: Health Systems and Policies. 
• 2017. Certificate in Applied Epidemiology. Johns Hopkins Bloomberg School of Public Health. USA.
• 2013. Doctor in Medicine. Universidad Complutense de Madrid, España. Integrated Master in Medical Research.

 

  Current position: 

• Adjunct Investigator at the Center for Research on Health in Latin America.
• Consultant at Corporación Andina de Fomento – CAF.
• Postgraduate Professor, School of Medicine. Pontificia Universidad Católica del Ecuador. 

 

  Current research (PUCE): Health and Vulnerable Groups.  

 

  Recent publications: 

• Acosta-Vargas, P., Dueñas-Espín, I., Armijos, L., Fonseca, J., Santillán, N., Jimbo, R., Rivadeneira, M.F., Xánchez, X., Sevilla, C., Tello, B. and Vivas, L. (2021). Challenges of Web Accessibility in a Health Application to Predict Neonatal Mortality – The Score Bebe ®. In: Nunes I.L. (eds) Advances in Human Factors and System Interactions. AHFE 2021. Lecture Notes in Networks and Systems, vol 265. Springer, Cham. https://doi.org/10.1007/978-3-030-79816-1_30

• Dueñas-Espín I, Armijos-Acurio L, Espín E, Espinosa-Herrera F, Jimbo R, León-Cáceres Á, et al. (2021) Is a higher altitude associated with shorter survival among at-risk neonates? PLoS ONE 16(7): e0253413. https://doi.org/10.1371/journal.pone.0253413

• Moreno Roca, A., Armijos Acurio, L., Jimbo Sotomayor, R., Céspedes Rivadeneira, C., Rosero Reyes, C. & López Ayala, C. (2021). Cohort study of the overall survival of patients with pancreatic cancer in a hospital of specialties of Quito-Ecuador in the period 2007–2017. Innovative Surgical Sciences, (). https://doi.org/10.1515/iss-2020-0030

• Sánchez, X., Orrico, M., Morillo, T., Manzano, A., Jimbo, R. and L. Armijos (2021). Reducing unnecessary antibiotic prescription through implementation of a clinical guideline on self-limiting respiratory tract infections. PLOS ONE 16(4): e0249475. https://doi.org/10.1371/journal.pone.0249475

• García, M., Acurio, M. L. A., Sotomayor, R. J., Sanchez, X., & Guijarro, S. (2019). Analysis of births, abortions and maternal mortality in adolescents in Ecuador from 2013 to 2016. International Journal of Pediatrics and Adolescent Medicine. https://doi.org/10.1016/j.ijpam.2019.07.002

• Choez, X. S., Acurio, M. L. A., & Sotomayor, R. E. J. (2018). Appropriateness and adequacy of antibiotic prescription for upper respiratory tract infections in ambulatory health care centers in Ecuador. BMC Pharmacology and Toxicology, 19(1), 1-11. https://doi.org/10.1186/s40360-018-0237-y

• Ortiz-Prado, E., Castillo, T. A., Olmedo-López, M., Armijos, L., Ramírez, D., & Iturralde, A. L. (2018). Cesarean section rates in Ecuador: a 13-year comparative analysis between public and private health systems. Revista Panamericana de Salud Pública, 41, e15. https://doi.org/10.26633/RPSP.2017.15  

• Pesántez-Ríos, G., Armijos-Acurio, L., Jimbo-Sotomayor, R., Pascual-Pascual, S. I., & Pesántez-Cuesta, G. (2017). Cannabidiol: uso en epilepsias refractarias. Rev. neurol.(Ed. impr.), 157-160. https://pesquisa.bvsalud.org/portal/resource/pt/ibc-166091

• Armijos, L., Escalante, S., & Villacrés, T. (2017). La evaluación de tecnologías sanitarias en el Ministerio de Salud Pública de Ecuador como herramienta para la compra de medicamentos entre 2012 y 2015. Revista Panamericana de Salud Pública, 41, e50. https://www.scielosp.org/article/rpsp/2017.v41/e50/es/

• Ortiz-Prado, E., Ponce-Zea, J., Ramirez, D., Stewart-Ibarra, A. M., Armijos, L., Yockteng, J., & Cárdenas, W. B. (2016). Rabies epidemiology and control in Ecuador. Global journal of health science, 8(3), 113. doi: 10.5539/gjhs.v8n3p113

 

  Orcid:  http://orcid.org/0000-0001-8881-1892 

                  ResearchGate: https://www.researchgate.net/profile/Maria_Armijos

 

 

Esteban Baus C., MA

  

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Community-based research: control and prevention of Chagas disease

Scientific communication

 

   Education: 

 

• 2015. Master in Management of Local Community Development, Pontificia Universidad Católica del Ecuador.
• 2006. Bachelor in Biology, Pontificia Universidad Católica del Ecuador.

 

  Current position:  

 

• Professor, School of Medicine. Pontificia Universidad Católica del Ecuador
• Principal Investigator at the Center for Research on Health in Latin America.

 

 Current research (PUCE): Health and Vulnerable Groups / Biodiversity conservation / ComCienCia

 

  Recent publications: 

• Bates, B.R., Nieto-Sánchez, C., Marvel, D.L., Guerrero, D., Baus, E.G., Grijalva, M.J. (2020). Broadening ‘Media’ for Development Communication: Alternative Channels Employed in Loja, Ecuador. Asia Pacific Media Educator 29(2):201-213. doi:10.1177/1326365X19870097

• Bates, B.R., Nieto-Sanchez, C., Marvel, D.L., Baus, E.G., Grijalva, M.J. (2019). Broadening “media” for development communication: Alternative channels employed in Loja, Ecuador. Asia Pacific Media Educator, 29(2): 201–213. 10.1177/1326365X19870097

• Nieto-Sanchez C, Bates BR, Guerrero D, Jimenez S, Baus EG, Peeters Grietens K & Grijalva, M. J. (2019) Home improvement and system-based health promotion for sustainable prevention of Chagas disease: A qualitative study. PLoS Negl Trop Dis 13(6): e0007472. https://doi.org/10.1371/journal.pntd.0007472

• Grijalva, M. J., Villacís, A. G., Moncayo, A. L., Ocaña-Mayorga, S., Yumiseva, C. A., & Baus, E. G. (2017). Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS neglected tropical diseases, 11(10), e0005970

• Grijalva, M. J., Villacis, A. G., Ocaña-Mayorga, S., Yumiseva, C. A., Moncayo, A. L., & Baus, E. G. (2015). Comprehensive survey of domiciliary triatomine species capable of transmitting Chagas disease in southern Ecuador. PLoS neglected tropical diseases, 9(10), e0004142

• Villacís, A. G., Ocaña-Mayorga, S., Lascano, M. S., Yumiseva, C. A., Baus, E. G., & Grijalva, M. J. (2015). Abundance, natural infection with trypanosomes, and food source of an endemic species of triatomine, Panstrongylus howardi (Neiva 1911), on the Ecuadorian Central Coast. The American journal of tropical medicine and hygiene, 92(1), 187-192

• Nieto-Sanchez, C., Baus, E. G., Guerrero, D., & Grijalva, M. J. (2015). Positive deviance study to inform a Chagas disease control program in southern Ecuador. Memórias do Instituto Oswaldo Cruz, 110(3), 299-309

 

  Orcid: https://orcid.org/0000-0001-7787-9883

                ResearchGate:  https://www.researchgate.net/profile/Esteban_Baus

 

Rosa Chiriboga, MPH.    

 

 

 

 

 

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Blood Banks Reference Unit (URBS)

   Education:

 

• 2015. Master in Transfusion Medicine and Cell Therapy. Universidad Autónoma de Barcelona.
• 2006. Master in Public Health. Pontificia Universidad Católica del Ecuador.
• 1991. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.

 

  Current position:  

 

• Principal Investigator at the Center for Research on Health in Latin America.
• Professor at the School of Medicine. Pontificia Universidad Católica del Ecuador.
• Blood Banks Reference Unit Director. External Performance Evaluation Program (PEED). Center for Research on Health in Latin America (CISeAL).  

 

  Current research (PUCE): Health and Vulnerable Groups.

  

  Recent publications: 

• Osorio González N.A., Sagasti Avilés E.J., Chiriboga-Ponce, R. F. (2020). Rh-Hr system and D antigen variants in three Afro-Ecuadorian populations in the Chota Valley. Acta bioquimica clinica latinoamericana 54 (4): 407-14.

• Jácome, S. C., López, M. N., Gabela, M. E., Chiriboga-Ponce, R. F. (2020). Titration of hemolysins in platelet concentrates  obtained from buffy coat from voluntary donors of blood group "O" Rh D positive.  Acta bioquimica clinica latinoamericana 54 (3): 285-92. http://www.abcl.org.ar/inmunohematologia/chiriboga.pdf

• Gallegos Barrera, Catherine E., & Chiriboga-Ponce, Rosa F. (2020). Prevalence of "weak" D antigen and its phenotypic classification in voluntary blood donors. Acta Bioquímica Clínica Latinoamericana 54(1),55-60. https://www.redalyc.org/articulo.oa?id=535/53563408010

• Zuñiga-Sosa, E., & Pullas-Bahamonde, M., & Crespo-Proaño, C., & Chiriboga-Ponce, R. (2019). Tipificación del antígeno Duffy como método indirecto para identificar individuos asintomáticos de malaria. Acta Bioquímica Clínica Latinoamericana, 53 (1): 71-77

• Ulloa-León, A., Crespo-Proaño, C., Chiriboga-Ponce, R.F. (2019). Prevalencia de anticuerpos antieritrocitarios en donantes voluntarios de sangre. Acta Bioquímica Clínica Latinoamericana, 53(3): 323-330

• Chiriboga-Ponce, Rosa F. (2018). Frecuencia de fenotipos del sistema Rh en donantes voluntarios de sangre [Frequency of Rh system phenotypes in voluntary blood donors]. Acta bioquímica clínica latinoamericana, 52(3), 331-337

• Nuñez-Torres, D., & Chiriboga-Ponce, R. (2018). Detección de aloinmunización en pacientes con insuficiencia renal crónica y terapia con hemodiálisis. Revista Latinoamericana de Patología Clínica y Medicina de Laboratorio, 65(3), 145-149. 

• Góngora, F., Chiriboga-Ponce, R. 2018. Frecuencia del antígeno y aloanticuerpos del sistema diego en donantes de sangre. Gaceta Médica de México. 154, 16-21. 

• Parra, K., Chririboga-Ponce R. 2018. Frecuencia de subgrupos del antígeno A en donantes voluntarios de sangre. Gaceta Médica de México. 154, 22-25

 

  ReseachGate: https://www.researchgate.net/profile/Rosa_Chiriboga

Jaime Costales, PhD.

 

 

 

 

 

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Trypanosoma cruzi host/parasite interactions and epidemiology of Chagas disease in Ecuador

    Education: 

 

• 2008. Postdoctoral fellow Immunology and Infectious Diseases. Harvard University.
• 2004. PhD. in Molecular and Cellular Biology. Ohio University, OH, USA.
• 1999. Bachelor in Biology. Pontificia Universidad Católica del Ecuador. 

 

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. (Immunology, Parasitology, Molecular Biology).
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups. 

  

  Recent publications: 

 

• Vela, A., Coral-Almeida, M., Sereno, D., Costales, J.A., Barnabé C, Brenière SF (2021) In vitro susceptibility of Trypanosoma cruzi discrete typing units (DTUs) to benznidazole: A systematic review and meta-analysis. PLoS Negl Trop Dis 15(3): e0009269. https://doi.org/10.1371/journal.pntd.0009269

• Talavera-López, C., Messenger, L.A., Lewis, M.D., Yeo, M., Reis-Cunha, J.L., Matos, G.M., Bartholomeu, D.C., Calzada, J.E., Saldaña, A,, Ramírez, J.D., Guhl, F., Ocaña-Mayorga, S., Costales, J.A., Gorchakov, R., Jones, K., Nolan, M.S, Teixeira, S.M.R., Carrasco, H.J., Bottazzi, M.E., Hotez, P.J., Murray, K.O., Grijalva, M.J., Burleigh, B., Grisard, E.C., Miles, M.A. and Andersson, B. (2021). Repeat-Driven Generation of Antigenic Diversity in a Major Human Pathogen, Trypanosoma cruzi. Front. Cell. Infect. Microbiol. 11(77):614665. doi: 10.3389/fcimb.2021.614665

• Maiguashca Sánchez, J., Sueto, S. O. B., Schwabl, P., Grijalva, M. J., Llewellyn, M. S., & Costales, J. A. (2020). Remarkable genetic diversity of Trypanosoma cruzi and Trypanosoma rangeli in two localities of southern Ecuador identified via deep sequencing of mini-exon gene amplicons. Parasites & Vectors, 13(1), 252. doi:10.1186/s13071-020-04079-1

• Schwabl, P., Maiguashca Sánchez, J., Costales, J. A., Ocaña-Mayorga, S., Segovia, M., Carrasco, H. J., . . . Llewellyn, M. S. (2020). Culture-free genome-wide locus sequence typing (GLST) provides new perspectives on Trypanosoma cruzi dispersal and infection complexity. PLOS Genetics, 16(12), e1009170. doi:10.1371/journal.pgen.1009170

• Bates, B. R., Moncayo, A. L., Costales, J. A., Herrera-Cespedes, C. A., & Grijalva, M. J. (2020). Knowledge, Attitudes, and Practices Towards COVID-19 Among Ecuadorians During the Outbreak: An Online Cross-Sectional Survey. Journal of community health, 10.1007/s10900-020-00916-7. Advance online publication. https://doi.org/10.1007/s10900-020-00916-7

• Restrepo Zambrano, M., Rouset, F., Carrasco, O., Echeverría Murillo, D., Costales, J., Brenière, S. (2019). Congenital Chagas Disease in the Ecuadorian Amazon: Maternal Screening at Delivery and Evaluation of Risk Factors Associated with Vector Exposure. American Journal of Tropical Medicine and Hygiene 101(6):1350-1358. doi: 10.4269/ajtmh.19-0340

• Grillet, M.E., Hernández-Villena, J.V., Llewellyn, M.S., Paniz-Mondolfi, A.E., Tami, A., Vincenti-Gonzalez, M.F., Marquez, M., Mogollon-Mendoza, A.C., Hernandez-Pereira, C.E., Plaza-Morr, J.D., Blohm, G., Grijalva, M.J., Costales, J.A., et al. (2019) Venezuela's humanitarian crisis, resurgence of vector-borne diseases, and implications for spillover in the region. The Lancet Infectious Diseases 19(5):e149-e161. doi: 10.1016/S1473-3099(18)30757-6

• Schwabl, P., Imamura, H., Van den Broeck, F., Costales, J. A., Maiguashca-Sánchez, J., Miles, M. A., . . . Llewellyn, M. S. (2019). Meiotic sex in Chagas disease parasite Trypanosoma cruzi. Nature Communications 10(1), 3972. doi:10.1038/s41467-019-11771-z

• Hernandez-Castro, L.E., Paterno, M., Villacís, A.G., Andersson, B., Costales, J.A., De Noia, M., Ocaña-Mayorga, S., Yumiseva, C.A., Grijalva, M. J., Llewellyn, M.S. (2017). 2b-RAD genotyping for population genomic studies of Chagas disease vectors: Rhodnius ecuadoriensis in Ecuador. PLoS neglected tropical diseases 11(7), e0005710. 

 

Libros

• Costales, J. A. (2017). 26 - Cell invasion by Trypanosoma cruzi and the type I interferon response. In J. Telleria & M. Tibayrenc (Eds.), American Trypanosomiasis Chagas Disease (Second Edition) (pp. 605-627). London: Elsevier. https://doi.org/10.1016/B978-0-12-801029-7.00027-7

 

   ReseachGate:  https://www.researchgate.net/profile/Jaime_Costales

Ana María Gómez, M.D.

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 Evidence-Based Medicine applied to Infectious Diseases / HIV virus resistance.

 

 

 

 

  Education: 

• 2019 - currently. Ph.D. in Health Sciences, European University of Madrid. Madrid Spain.
• 2019. Fellowship in Infectious Diseases and HIV. Hospital Germans Trias i Pujol, Foundation for the Fight Against AIDS. Barcelona, Spain. 
• 2019. Master in Infectious Diseases and Antimicrobial Treatment. Cardenal Herrera University. Valencia, Spain. 
• 2019. Master in University Education. European University of Madrid, Spain.  
• 2018. Training - Internship hands-on Infectious Diseases / HIV / Transplant. University of Illinois Hospital. USA. 
• 2018. Diploma in Scientific Research Methodology. Universidad San Francisco de Quito, Ecuador. 
• 2017. Master in HIV infection. Rey University Juan Carlos. Madrid, Spain.
• 2016. Speciality in Internal Medicine. Pontificia Universidad Católica del Ecuador.
• 2010. Medicine. Pontificia Universidad Católica del Ecuador.

 

  Current position: 

• Adjunct Investigator at the Center for Research on Health in Latin America.
• Assistant Professor School of Medicine. Pontificia Universidad Católica del Ecuador.
• Associate Researcher, One Health-Research Group. Universidad de las Américas, Quito Ecuador.
• Member of the scientific committee of the Municipality of Quito, for decision-making during the health emergency due to COVID-19. Quito Ecuador.
• Attending Physician of Internal Medicine. Novaclinica and Atlas Clinic. Quito Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

  Recent publications: 

 

• Ortiz-Prado, E., Simbaña-Rivera, K., Gómez-Barreno, L., Rubio-Neira, M., Guaman, L. P., Kyriakidis, N. C., ... & López-Cortés, A. (2020). Clinical, molecular and epidemiological characterization of the SARS-CoV2 virus and the Coronavirus disease 2019 (COVID-19), a comprehensive literature review. Diagnostic microbiology and infectious disease, 115094. https://doi.org/10.1016/j.diagmicrobio.2020.115094 

• López-Cortés, A., Guevara-Ramírez, P., Kyriakidis, N. C., Barba-Ostria, C., Cáceres, Á. L., Guerrero, S., ... & Paz-y-Miño, C. (2020). In Silico Analyses of Immune System Protein Interactome Network, Single-Cell RNA Sequencing of Human Tissues, and Artificial Neural Networks Reveal Potential Therapeutic Targets for Drug Repurposing Against COVID-19. ChemRxiv. Preprint. https://doi.org/10.26434/chemrxiv.12408074.v1

• Houck, K. M., Terán, E., Ochoa, J., Zapata, G. N., Gomez, A. M., Parra, R., ... & Thompson, A. L. (2019). Drinking water improvements and rates of urinary and gastrointestinal infections in Galápagos, Ecuador: Assessing household and community factors. American Journal of Human Biology, 32(1), e23358.  https://doi.org/10.1002/ajhb.23358

 

  Orcid:  https://orcid.org/0000-0003-2180-7316  

                  ResearchGate: https://www.researchgate.net/profile/Ana_Maria_Gomez_Jaramillo

 

 

Mario Grijalva, PhD

 

 

 

 

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Healthy Living Initiative: a model for the sustainable prevention of Chagas disease

   Education:

 

• 1997. Postdoctoral fellows: American Society of Microbiology; National Centers for Infectious Diseases; Centers for Disease Control and Prevention, Atlanta; GAASM/NCID Fellowship.
• 1997. PhD. in Molecular and Celular Biology. Ohio University, OH, USA.
• 1991. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.

 

  Current position: 

 

• CISeAL Director. 2000 - present.
• Director, Infectious and Tropical Disease Institute. Ohio University. 2006 – present.
• Professor at Biomedical Sciences Department, Heritage College of Osteopathic Medicine, Ohio University. May 2005 – present.
• Visiting Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

 

  Recent publications:  

• Ocana-Mayorga, S., Bustillos, J., Villacís, A., Moncayo, A., Yumiseva, C., Brenière, S., & Grijalva, M. (2021). Human Blood Meals in Sylvatic Triatomines Challenges Domestic-Centered Strategies for Prevention of Trypanosoma cruzi Transmission in Ecuador. The American journal of tropical medicine and hygiene, tpmd201312. Advance online publication. https://doi.org/10.4269/ajtmh.20-1312

• Alvear Durán, S., Sanchez-Del-Hierro, G., Gomez-Correa, D., Enriquez, A., Sanchez, E., Belec, M., Casapulla, S., Grijlava, M. J., & Shubrook, J. H. (2021). A pilot of a modified diabetes prevention program in Quito, Ecuador. Journal of osteopathic medicine, 10.1515/jom-2020-0175. Advance online publication. https://doi.org/10.1515/jom-2020-0175

• Alonso-Padilla, J., López, M. C., Esteva, M., Zrein, M., Casellas, A., Gómez, I., . . .Grijalva, M.J. . . . Viotti, R. (2021). Serological reactivity against T. cruzi-derived antigens: Evaluation of their suitability for the assessment of response to treatment in chronic Chagas disease. Acta Tropica, 221, 105990. doi:https://doi.org/10.1016/j.actatropica.2021.105990

• Bates, B. R., Tami, A., Carvajal, A., & Grijalva, M. J. (2021). Knowledge, attitudes, and practices towards COVID-19 among Venezuelans during the 2020 epidemic: An online cross-sectional survey. PLoS ONE, 16(4), e0249022. https://doi.org/10.1371/journal.pone.0249022

• Talavera-López, C., Messenger, L.A., Lewis, M.D., Yeo, M., Reis-Cunha, J.L., Matos, G.M., Bartholomeu, D.C., Calzada, J.E., Saldaña, A,, Ramírez, J.D., Guhl, F., Ocaña-Mayorga, S., Costales, J.A., Gorchakov, R., Jones, K., Nolan, M.S, Teixeira, S.M.R., Carrasco, H.J., Bottazzi, M.E., Hotez, P.J., Murray, K.O., Grijalva, M.J., Burleigh, B., Grisard, E.C., Miles, M.A. and Andersson, B. (2021). Repeat-Driven Generation of Antigenic Diversity in a Major Human Pathogen, Trypanosoma cruzi. Front. Cell. Infect. Microbiol. 11(77):614665. doi: 10.3389/fcimb.2021.614665

• Erazo, C. E., Erazo, C. V., Grijalva, M. J., & Moncayo, A. L. (2021). Knowledge, attitudes and practices on influenza vaccination during pregnancy in Quito, Ecuador. BMC Public Health, 21(1), 72. doi:10.1186/s12889-020-10061-4

• Ocaña-Mayorga, S., Bustillos, J.J., Villacís A.G., Pinto, C.M., Brenière, S.F., Grijalva, M.J. (2021). Triatomine Feeding Profiles and Trypanosoma cruzi Infection, Implications in Domestic and Sylvatic Transmission Cycles in Ecuador. Pathogens. 10(1):42. https://doi.org/10.3390/pathogens10010042

• Otieno, A. W., Roark, J., Khan, M. L., Pant, S., Grijalva, M.J. & Titsworth, S. (2021). The kiss of death – Unearthing conversations surrounding Chagas disease on YouTube. Cogent Social Sciences, 7:1, 1858561, DOI: 10.1080/23311886.2020.

• Bates, B.R., Nieto-Sánchez, C., Marvel, D.L., Guerrero, D., Baus, E.G., Grijalva, M.J. (2020). Broadening ‘Media’ for Development Communication: Alternative Channels Employed in Loja, Ecuador. Asia Pacific Media Educator 29(2):201-213. doi:10.1177/1326365X19870097

• Maiguashca Sánchez, J., Sueto, S. O. B., Schwabl, P., Grijalva, M. J., Llewellyn, M. S., & Costales, J. A. (2020). Remarkable genetic diversity of Trypanosoma cruzi and Trypanosoma rangeli in two localities of southern Ecuador identified via deep sequencing of mini-exon gene amplicons. Parasites & Vectors, 13(1), 252. doi:10.1186/s13071-020-04079-1

• Schwabl, P., Maiguashca Sánchez, J., Costales, J. A., Ocaña-Mayorga, S., Segovia, M., Carrasco, H. J., . . . Llewellyn, M. S. (2020). Culture-free genome-wide locus sequence typing (GLST) provides new perspectives on Trypanosoma cruzi dispersal and infection complexity. PLOS Genetics, 16(12), e1009170. doi:10.1371/journal.pgen.1009170

• Bates, B.R.,  Villegas, A. & Grijalva, M.J. (2020). Knowledge, attitudes, and practices towards COVID-19 among Colombians during the outbreak: an online cross-sectional survey. Journal of Communication in Healthcare, DOI: 10.1080/17538068.2020.1842843

• Bates, B.R., Grijalva, D. A. & Grijalva, M.J. (2020). A culture-centered, participatory approach to defining “development” in rural Ecuador. Qualitative Research Reports in Communication, 21:1, 45-58, DOI: 10.1080/17459435.2020.1742776

• Bates, B. R., Moncayo, A. L., Costales, J. A., Herrera-Cespedes, C. A., & Grijalva, M. J. (2020). Knowledge, Attitudes, and Practices Towards COVID-19 Among Ecuadorians During the Outbreak: An Online Cross-Sectional Survey. Journal of community health, 10.1007/s10900-020-00916-7. Advance online publication. https://doi.org/10.1007/s10900-020-00916-7

• Santillán-Guayasamín, S., Barnabé, C., Magallón-Gastelum, E., Waleckx, E., Yumiseva, C. A., Grijalva, M. J., Villacís, A.G., Brenière, S. F. (2020). Molecular data supports monophyly of Triatoma dispar complex within genus Triatoma. Infection, Genetics and Evolution, 85, 104429. doi:https://doi.org/10.1016/j.meegid.2020.104429

• Reina Ortiz, M., Grijalva, M. J., Turell, M. J., Waters, W. F., Montalvo, A. C., Mathias, D., Sharma, V., Fierro, C., Suits, P., Thomas, S. Leon, R. (2020). Biosafety at Home: How to Translate Biomedical Laboratory Safety Precautions for Everyday Use in the Context of COVID-19. The American Journal of Tropical Medicine and Hygiene. doi:https://doi.org/10.4269/ajtmh.20-0677

• Villacís, A. G., Bustillos, J. J., Depickère, S., Sánchez, D., Yumiseva, C. A., Troya-Zuleta, A., Barnabé, C., Grijalva, M.J. & Brenière, S. F. (2020). Would tropical climatic variations impact the genetic variability of triatomines: Rhodnius ecuadoriensis, principal vector of Chagas disease in Ecuador? Acta Tropica, 209, 105530. doi:https://doi.org/10.1016/j.actatropica.2020.105530

• Villacís, A.G., Dujardin, J., Panzera, F. Yumiseva, C.A., Pita, S., Santillán-Guayasamín, S., Orozco, M.I., Mosquera, K.D. & Grijalva, M.J. (2020). Chagas vectors Panstrongylus chinai (Del Ponte, 1929) and Panstrongylus howardi (Neiva, 1911): chromatic forms or true species?. Parasites Vectors 13(1), 226. https://doi.org/10.1186/s13071-020-04097-z

• Alonso-Padilla, J., Abril, M., Alarcón de Noya, B., Almeida, I.C., Angheben, A., Araujo Jorge, T., Chatelain, E-, Esteva, M., Gascón, J., Grijalba, M.J. et al. (2020) Target product profile for a test for the early assessment of treatment efficacy in Chagas disease patients: An expert consensus. PLoS Negl Trop Dis 14(4): e0008035. https://doi.org/10.1371/journal.pntd.0008035

• Bates, B.R., Villacís, A.G., Mendez-Trivino, A., Mendoza, L.E., Grijalva, M.J. (2020). Determinants of intentions to prevent triatomine infestation based on the health belief model: An application in rural southern Ecuador. PLOS Neglected Tropical Diseases 14(1): e0007987. https://doi.org/10.1371/journal.pntd.0007987

• Rivadeneria, M.F., Moncayo, A.L., Tello, B., Torres, A.L., Buitrón, G.J., Astudillo, F., Fredericks, T.R. and Grijalva, M.J. (2020). A multi-causal model for chronic malnutrition and anemia in a population of rural coastal children. Matern Child Health J. 24, 472–482 https://doi.org/10.1007/s10995-019-02837-x 

• Bates, B.R., Nieto-Sanchez, C., Marvel, D.L., Baus, E.G., Grijalva, M.J. (2019). Broadening “media” for development communication: Alternative channels employed in Loja, Ecuador. Asia Pacific Media Educator, 29(2): 201–213. 10.1177/1326365X19870097

• Barnabé, C., Grijalva, M. J., Santillán-Guayasamín S., Yumiseva, C. A., Waleckx, E., Brenière, F. S., Villacís, A.G. (2020). Genetic data support speciation between Panstrongylus howardi and Panstrongylus chinai, vectors of Chagas disease in Ecuador. Infection, Genetics and Evolution, 104103. https://doi.org/10.1016/j.meegid.2019.104103

• Schwabl, P., Imamura, H., Van den Broeck, F., Costales, J. A., Maiguashca-Sánchez, J., Miles, M. A., Andersson, B., Grijalva, M. J. & Llewellyn, M. S. (2019). Meiotic sex in Chagas disease parasite Trypanosoma cruzi. Nature Communications 10(1), 3972. doi:10.1038/s41467-019-11771-z

• Bates, B., Marvel, D., Nieto-Sanchez, C., Grijalva, M.J. (2018). Community cartography in health communication: An asset-based mapping approach in four communities in rural Ecuador. Journal of International and Intercultural Communication 1-20

• Sharon, L., Casapulla, Aidoo-Frimpong, G., Basta, T.B., Grijalva, M.J. (2018). Zika virus knowledge and attitudes in Ecuador. AIMS Public Health 5(1), 49-63

• Howe, C.A., Casapulla, S., Shubrook, J.H., Lopez, P., Grijalva, M.J., Berryman, D.E. (2018). Regional Variations in Physical Fitness and Activity in Healthy and Overweight Ecuadorian Adolescents. Children 5(8), 104

• Lydy, S.L., Lascano, M.S., Garcia-Perez, J.E., Williams-Newkirk, A.J., & Grijalva, M.J. (2018). Seroprevalence and risk factors for infection with Bartonella bacilliformis in Loja province, Ecuador. Emerging microbes & infections 7(1), 115

• Marco-Crespo, B., Casapulla, S., Nieto-Sanchez, C., Urrego, J. G. G., & Grijalva, M. J. (2018). Youth participatory research and evaluation to inform a Chagas disease prevention program in Ecuador. Evaluation and program planning 69, 99-108

• Ocaña-Mayorga, S., Lobos, S. E., Crespo-Pérez, V., Villacís, A. G., Pinto, C. M., & Grijalva, M. J. (2018). Influence of ecological factors on the presence of a triatomine species associated with the arboreal habitat of a host of Trypanosoma cruzi. Parasites & vectors 11(1), 567

• Oduro, B., Grijalva, M.J., Just, W. (2018). Models of Disease Vector Control: When Can Aggressive Initial Intervention Lower Long-Term Cost?  Bull Math Biol 80, 788

• Patterson, N. M., Bates, B. R., Chadwick, A. E., Nieto-Sanchez, C., & Grijalva, M. J. (2018). Using the health belief model to identify communication opportunities to prevent Chagas disease in Southern Ecuador. PLoS neglected tropical diseases 12(9), e0006841

Libros

• Villacis, Anita & Sáenz, Fabián & Neira, Marco & Grijalva, Mario. (2018). Ecosalud en las enfermedades transmitidas por vectores: Chagas, Dengue y Malaria [Ecohealth in vector-borne diseases: Chagas, Dengue and Malaria]. En Jaime Breilh (Ed.). La Medicina Ecuatoriana en el siglo XXI.  Tercer Tomo, capítulo 14 (pp. 252-267). Ecuador: Academia Ecuatoriana de Medicina, Universidad Andina Simón Bolívar, Corporación Editora Nacional.

• Brenière, S. F., Villacis, A., & Aznar, C. (2017). 22 - Vector transmission: How it works, what transmits, where it occurs. In J. Telleria & M. Tibayrenc (Eds.), American Trypanosomiasis Chagas Disease (Second Edition) (pp. 497-515). London: Elsevier. https://doi.org/10.1016/B978-0-12-801029-7.00023-X

 

  Orcid:  http://orcid.org/0000-0003-1964-1425  

                  ReseachGate: https://www.researchgate.net/profile/Mario_Grijalva

 

Ruth Jimbo-Sotomayor, PhD.

---

 Immunizations / Immuno-preventable diseases / Health technology assessment / Economic evaluations in health.

 

 

 

 

  Education: 

• 2021. Ph.D. in Epidemiology and Public Health (cum laude). Universidad Alcalá de Henares. Madrid, Spain. 
• 2018. Specialty in Health Technology Assessment. Instituto de Efectividad Clínica Argentina. 
• 2017. Master in Health and Drug Economics. Universidad Pompeú Fabra. Barcelona, Spain.
• 2016. Master in Health Management for Local Development. Universidad Técnica Particular de Loja.Ecuador.
• 2011. Specialty in Family Medicine. Pontificia Universidad Católica del Ecuador.
• 2007. Medicine. Universidad Central del Ecuador.

 

  Current position: 

• Principal Investigator at the Center for Research on Health in Latin America.

• Vice-Dean School of Medicine Pontificia Universidad Católica del Ecuador.

• Professor, School of Medicine, Pontificia Universidad Católica del Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

Recent publications: 

 

• Acosta-Vargas, P., Dueñas-Espín, I., Armijos, L., Fonseca, J., Santillán, N., Jimbo, R., Rivadeneira, M.F., Xánchez, X., Sevilla, C., Tello, B. and Vivas, L. (2021). Challenges of Web Accessibility in a Health Application to Predict Neonatal Mortality – The Score Bebe ®. In: Nunes I.L. (eds) Advances in Human Factors and System Interactions. AHFE 2021. Lecture Notes in Networks and Systems, vol 265. Springer, Cham. https://doi.org/10.1007/978-3-030-79816-1_30

• Dueñas-Espín I, Armijos-Acurio L, Espín E, Espinosa-Herrera F, Jimbo R, León-Cáceres Á, et al. (2021) Is a higher altitude associated with shorter survival among at-risk neonates? PLoS ONE 16(7): e0253413. https://doi.org/10.1371/journal.pone.0253413

• ISARIC Clinical Characterisation Group (2021). COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study. Infection, 1–17. Advance online publication. https://doi.org/10.1007/s15010-021-01599-5 

• Sánchez, X., Orrico, M., Morillo, T., Manzano, A., Jimbo, R. and L. Armijos (2021). Reducing unnecessary antibiotic prescription through implementation of a clinical guideline on self-limiting respiratory tract infections. PLOS ONE 16(4): e0249475. https://doi.org/10.1371/journal.pone.0249475

• Cevallos Guerrero, A., Fernández, H. Á., Jimbo Sotomayor, R., Guevara, G. C., Mera Orces, D., & Naranjo-Saltos, F. (2021). Adherencia al tratamiento en pacientes con trastornos neuropsiquiátricos difusos asociados a lupus eritematoso sistémico. Revista Colombiana de Reumatología. doi:https://doi.org/10.1016/j.rcreu.2020.12.003

• Sánchez Choez, X., Loaiza Martínez, M., Vaca Tatamuez, V., López Peña, M., Manzano Pasquel, A., & Jimbo Sotomayor, R. (2021). Medical Cost of Upper Respiratory Tract Infections in Children in Ambulatory Care. Value in Health Regional Issues, 26, 1–9. https://doi.org/10.1016/j.vhri.2020.10.001

• Pritchard, M. G., ISARIC Clinical Characterisation Group (2020). COVID-19 symptoms at hospital admission vary with age and sex: ISARIC multinational study. medRxiv, 2020.2010.2026.20219519. https://doi.org/10.1101/2020.10.26.20219519

• Jimbo Sotomayor, R., Toscano, C. M., Sánchez Choez, X., Vilema Ortíz, M., Rivas Condo, J., Ghisays, G., Haneuse, S., Weinberger, D. M., McGee, G., & de Oliveira, L. H. (2020). Impact of pneumococcal conjugate vaccine on pneumonia hospitalization and mortality in children and elderly in Ecuador: Time series analyses. Vaccine, 38(45), 7033– 039. https://doi.org/10.1016/j.vaccine.2020.09.032

• Jimbo-Sotomayor, R., Armijos-Acurio, L., Proaño-Espinosa, J., Segarra-Galarza, K., & Sánchez- Choez, X. (2020). Morbidity and mortality due to pneumococcal disease in children in Ecuador from 2005 to 2015. Journal of Global Infectious Diseases, 12(3), 124. https://doi.org/10.4103/jgid.jgid_125_19

• Jimbo Sotomayor, R., Armijos Acurio, L., Sánchez Choez, X., Vilema Ortiz, M., Ghisays, G., Moyota Quinzo, D., & Moreta Colcha, F. (2019). Missed opportunities of vaccination in primary health care establishments in Ecuador. Vacunas (English Edition), 20(2), 46–52. https://doi.org/10.1016/j.vacune.2019.11.002

• Sánchez X, Landázuri A, Londo P, Manzano A, Moreno Roca A, Jimbo R. (2020) Knowledge, Attitudes and Practices in Antibiotic Use in Family Medicine Students. Journal of Primary Care & Community Health, 11, 2150132720984758. doi: 10.1177/2150132720984758 

• Acosta, Leal, Salazar, Jimbo, Guevara. (2020). Consideraciones en pacientes con diabetes mellitus tipo 2 durante la pandemia por COVID-19. Revista Vozandes, 31(2). 

• Fernandez, H., Cevallos, A., Sotomayor, R. J., Naranjo-Saltos, F., Orces, D. M., & Basantes, E. (2019). Mental disorders in systemic lupus erythematosus: a cohort study. Rheumatology international, 39(10), 1689-1695. doi: 10.1007/s00296-019-04423-4.

• García, M., Armijos Acurio, M. L., Sotomayor, R. J., Sanchez, X., & Guijarro, S. (2019). Analysis of births, abortions and maternal mortality in adolescents in Ecuador from 2013 to 2016. International Journal of Pediatrics and Adolescent Medicine. https://doi.org/10.1016/j.ijpam.2019.07.002

• Sánchez Choez, X., Armijos Acurio, M. L., & Jimbo Sotomayor, R. E. (2018). “Appropriateness and adequacy of antibiotic prescription for upper respiratory tract infections in ambulatory health care centers in Ecuador.” BMC Pharmacology and Toxicology, 19(1), 46. https://doi.org/10.1186/s40360-018-0237-y

• Jimbo Sotomayor, R., Sánchez Choez, X., Vilema, M., & Ghisays, G. (2018). Costo de la inmunización de rutina en menores de un año en el Ecuador. Vacunas, 19(2), 61–66. https://doi.org/10.1016/j.vacun.2018.09.001

• Pesantez Ríos, G., Jimbo Sotomayor, R., Sánchez Choez, X., Valencia, C., Curatolo, P., & Pesantez Cuesta, G. (2018). Esclerosis tuberosa en Ecuador. Reporte de serie de casos. Neurología Argentina, 10(2), 66–71. https://doi.org/10.1016/j.neuarg.2017.10.002

 

Books 

• Acurio, C., Barreiro, P., Cstro, K., García, M., Jimbo, R., Maldonado, D., Palacios, S., Ramadan, R., Sánchez, X., & Tello, B. (2020). Relación médico–paciente: Experiencias de comunicación y relatos de medicina narrativa (primera). Centro de Publicaciones PUCE.
• Ministerio de Salud Pública del Ecuador. (2019). Manual Vacunas para enfermedades inmunoprevenibles. Sistema Nacional de Salud, pp, 1-110.

 

  Orcid:  https://orcid.org/0000-0001-5016-3834 

                  ResearchGate: https://www.researchgate.net/profile/Ruth_Jimbo_Sotomayor

 

 

Ana Lucía Moncayo, PhD.

 

 

 

 

   

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Epidemiology of infectious diseases and evaluation of public health policies 

   Education:

 

• 2013-2014. Postdoctoral fellow. Tropical Diseases Institute/Ohio University, OH, USA..
• 2011. PhD. in Public Health, Focus area: Epidemiology. Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador de Bahia- Brasil.
• 2008. Master in Community Health, Focus area: Epidemiology. Instituto de Saúde Coletiva, Universidade Federal da Bahía, Salvador de Bahía- Brasil.
• 2001. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.

 

  Current position: 

• Principal Investigator at the Center for Research on Health in Latin America.
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups. Salud integral, determinación social y desarrollo humano. 

 

  Recent publications: 

 

• Ocana-Mayorga, S., Bustillos, J., Villacís, A., Moncayo, A., Yumiseva, C., Brenière, S., & Grijalva, M. (2021). Human Blood Meals in Sylvatic Triatomines Challenges Domestic-Centered Strategies for Prevention of Trypanosoma cruzi Transmission in Ecuador. The American journal of tropical medicine and hygiene, tpmd201312. Advance online publication. https://doi.org/10.4269/ajtmh.20-1312

• Caicedo-Gallardo, J. D., Rivadeneira, M. F., Torres, A. L., Tello, B., Astudillo, F., Buitrón, G. J., & Moncayo, A. L. (2021). Social capital and its relationship with malnutrition and anemia in children from rural coastal Ecuador. Rural and remote health, 21(4), 6271. https://doi.org/10.22605/RRH6271

• Erazo, C. E., Erazo, C. V., Grijalva, M. J., & Moncayo, A. L. (2021). Knowledge, attitudes and practices on influenza vaccination during pregnancy in Quito, Ecuador. BMC Public Health, 21(1), 72. doi:10.1186/s12889-020-10061-4

• Guamán, L. P., Rivadeneira, M. F., Moncayo, A. L., Cóndor, J., Astudillo, F., Buitrón, J., Tello, B., Torres, A. L., & Paúl Astudillo Neira, E. (2020). Capital social y malnutrición en población indígena menor de 5 años de cinco cantones de la provincia de Chimborazo. Revista Ecuatoriana De Pediatría, 21(3), Artículo 18:1-9.

• Bates, B. R., Moncayo, A. L., Costales, J. A., Herrera-Cespedes, C. A., & Grijalva, M. J. (2020). Knowledge, Attitudes, and Practices Towards COVID-19 Among Ecuadorians During the Outbreak: An Online Cross-Sectional Survey. Journal of community health, 10.1007/s10900-020-00916-7. Advance online publication. https://doi.org/10.1007/s10900-020-00916-7

• Rivadeneria, M.F., Moncayo, A.L., Tello, B., Torres, A.L., Buitrón, G.J., Astudillo, F., Fredericks, T.R. and Grijalva, M.J. (2020). A multi-causal model for chronic malnutrition and anemia in a population of rural coastal children. Matern Child Health J. 24, 472–482. https://doi.org/10.1007/s10995-019-02837-x

• Moncayo, A.L., Granizo G, Grijalva, M.J., Rasella, D.  (2019) Strong effect of Ecuador’s conditional cash transfer program on childhood mortality from poverty-related diseases: a nationwide analysis.  BMC Public Health 19:1132

• Padilla, N.A., Moncayo, A.L., Keil, C.B., Grijalva, M.J., Villacís, A. G. (2019). Life Cycle, Feeding, and Defecation Patterns of Triatoma carrioni (Hemiptera: Reduviidae), Under Laboratory Conditions, Journal of Medical Entomology 56(3): 617–624. https://doi.org/10.1093/jme/tjz004

• Moncayo, A. L., Lovato, R., & Cooper, P. J. (2018). Soil-transmitted helminth infections and nutritional status in Ecuador: findings from a national survey and implications for control strategies. BMJ Open 8(4), e021319.

• Grijalva, M. J., Villacís, A. G., Moncayo, A. L., Ocaña-Mayorga, S., Yumiseva, C. A., & Baus, E. G. (2017). Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS neglected tropical diseases 11(10).

 

  Orcid:  https://orcid.org/0000-0003-3592-7503​

                  ReseachGate:  https://www.researchgate.net/profile/Ana_Moncayo 

 

Marco Neira, PhD.
     

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Biology, Physiology, and Control of Mosquitoes (Diptera: Culicidae) of medical interest

 

 

 

    Education: 

 

• 2013 - 2015. Postdoctoral fellow Fogarty International Center (National Institutes of Health), D43 Training Grant.
• 2009 - 2010. Postdoctoral fellow. Vector Group. Liverpool School of Tropical Medicine.
• 2005 - 2009. Postdoctoral fellow.The Whitney Laboratory. University of Florida, St. Augustine, Florida.
• 2005. PhD. in Biological Sciences. Ohio University, OH, USA.
• 2001. Master in Arts. International Development Affairs – Health Concentration. Ohio University, OH, USA.
• 1999. Bachelor in Biology. Pontificia Universidad Católica del Ecuador. 

 

  Current position:  

 

• External Collaborator at the Center for Research on Health in Latin America. 

 

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

 

  Recent publications: 

 

• Sippy, R., Rivera, G.E., Sanchez, V., ... and Neira, M. (2020). Ingested insecticide to control Aedes aegypti: developing a novel dried attractive toxic sugar bait device for intra-domiciliary control. Parasites Vectors 13, 78. https://doi.org/10.1186/s13071-020-3930-9

• Pilaquinga, F., Morejón, B., Ganchala, D., Morey, J., Piña, N., Debut, A. & Neira M. (2019). Green synthesis of silver nanoparticles using Solanum mammosum L. (Solanaceae) fruit extract and their larvicidal activity against Aedes aegypti L. (Diptera: Culicidae). PLOS ONE 14(10): e0224109. https://doi.org/10.1371/journal.pone.0224109

• Mordecai, E. A., Caldwell, J. M., Grossman, M. K., Lippi, C. A., Johnson, L. R., Neira, M., Rohr, J. R., Ryan, S. J., Savage, V., Shocket, M. S., Sippy, R., Stewart Ibarra, A. M., Thomas, M. B. and Villena, O. (2019), Thermal biology of mosquito‐borne disease. Ecol Lett. doi:10.1111/ele.13335

• Ryan, S., Mundis, S., Aguirre, A., Lippi, C., Beltrán, E., Heras, F., Stewart-Ibarra, A., Neira, M. 2019. Seasonal and geographic variation in insecticide resistance in Aedes aegypti in southern Ecuador. PLoS Neglected Tropical Diseases 13(6): 00007448

• Morejón, B., Pilaquinga, F., Domenech, F., Ganchala, D., Debut, A., & Neira, M. (2018). Larvicidal Activity of Silver Nanoparticles Synthesized Using Extracts of Ambrosia arborescens (Asteraceae) to Control Aedes aegypti L. (Diptera: Culicidae). Journal Of Nanotechnology, 1-8

 

Libros

• Anita G. Villacís, Fabián E. Sáenz, Marco V. Neira, Mario J. Grijalva. 2018. Ecosalud en las enfermedades transmitidas por vectores: Chagas, Dengue y Malaria. Tercer tomo (Ciencia de la Salud). La Medicina Ecuatoriana en el siglo XXI. Academia Ecuatoriana de Medicina Universidad Andina Simón Bolívar, Corporación Editora Nacional, editor Jaime Breilh.

 

  Orcid:  http://orcid.org/0000-0001-8068-5772 

                  ReseachGate: https://www.researchgate.net/profile/Marco_Neira 

Sofía Ocaña-Mayorga, PhD.

 

 

 

 

   

---

Dynamics and interactions between parasite-vector-host.

    Education:

 

• 2019. PhD. in Biological Sciences. Ohio University, OH, USA.
• 2016. Master in Infectious Disease Biology. Pontificia Universidad Católica del Ecuador.
• 2011. Doctor in Biological Sciences. Pontificia Universidad Católica del Ecuador. 
• 2005. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.  

 

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. 
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

  

  Recent publications: 

 

• Ocana-Mayorga, S., Bustillos, J., Villacís, A., Moncayo, A., Yumiseva, C., Brenière, S., & Grijalva, M. (2021). Human Blood Meals in Sylvatic Triatomines Challenges Domestic-Centered Strategies for Prevention of Trypanosoma cruzi Transmission in Ecuador. The American journal of tropical medicine and hygiene, tpmd201312. Advance online publication. https://doi.org/10.4269/ajtmh.20-1312

• Talavera-López, C., Messenger, L.A., Lewis, M.D., Yeo, M., Reis-Cunha, J.L., Matos, G.M., Bartholomeu, D.C., Calzada, J.E., Saldaña, A,, Ramírez, J.D., Guhl, F., Ocaña-Mayorga, S., Costales, J.A., Gorchakov, R., Jones, K., Nolan, M.S, Teixeira, S.M.R., Carrasco, H.J., Bottazzi, M.E., Hotez, P.J., Murray, K.O., Grijalva, M.J., Burleigh, B., Grisard, E.C., Miles, M.A. and Andersson, B. (2021). Repeat-Driven Generation of Antigenic Diversity in a Major Human Pathogen, Trypanosoma cruzi. Front. Cell. Infect. Microbiol. 11(77):614665. doi: 10.3389/fcimb.2021.614665

• Ocaña-Mayorga, S., Bustillos, J.J., Villacís A.G., Pinto, C.M., Brenière, S.F., Grijalva, M.J. (2021). Triatomine Feeding Profiles and Trypanosoma cruzi Infection, Implications in Domestic and Sylvatic Transmission Cycles in Ecuador. Pathogens. 10(1):42. https://doi.org/10.3390/pathogens10010042

• Schwabl, P., Maiguashca Sánchez, J., Costales, J. A., Ocaña-Mayorga, S., Segovia, M., Carrasco, H. J., . . . Llewellyn, M. S. (2020). Culture-free genome-wide locus sequence typing (GLST) provides new perspectives on Trypanosoma cruzi dispersal and infection complexity. PLOS Genetics, 16(12), e1009170. doi:10.1371/journal.pgen.1009170

• Martin, J. A., Hendershot, A. L., Saá Portilla, I. A., English, D. J., Woodruff, M., Vera-Arias, C. A.,  Salazar-Costa, B.E., Bustillos, J.J., Saénz, F.E., Ocaña-Mayorga, S., Koepfli, C. & Lobo, N. F. (2020). Anopheline and human drivers of malaria risk in northern coastal, Ecuador: a pilot study. Malaria Journal 19(1), 354. doi:10.1186/s12936-020-03426-y

• Ocaña-Mayorga, S., Lobos, S. E., Crespo-Pérez, V., Villacís, A. G., Pinto, C. M., & Grijalva, M. J. (2018). Influence of ecological factors on the presence of a triatomine species associated with the arboreal habitat of a host of Trypanosoma cruzi. Parasites & vectors 11(1), 567

• Schwabl, P., Llewellyn, M. S., Landguth, E. L., Andersson, B., Kitron, U., Costales, J. A., et al. (2017). Prediction and prevention of parasitic diseases using a landscape genomics framework. Trends in parasitology 33(4), 264-275

• Grijalva, M. J., Villacís, A. G., Moncayo, A. L., Ocaña-Mayorga, S., Yumiseva, C. A., & Baus, E. G. (2017). Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS neglected tropical diseases 11(10)e0005970. doi: 10.1371/journal.pntd.0005970

• Hernandez-Castro, L.E., Paterno, M., Villacís, A.G., Andersson, B., Costales, J.A., De Noia, M., Ocaña-Mayorga, S., Yumiseva, C.A., Grijalva, M. J., Llewellyn, M.S. (2017). 2b-RAD genotyping for population genomic studies of Chagas disease vectors: Rhodnius ecuadoriensis in Ecuador. PLoS neglected tropical diseases 11(7), e0005710

 

  Orcid: https://orcid.org/0000-0003-3861-9784 

                ReseachGate: https://www.researchgate.net/profile/Sofia_Ocana-Mayorga 

Miryan Rivera, Mtr.

 

 

 

 

 

 

---

Cytogenetics and amphibian biomolecules.

    Education:

 

• 2010. Master in Intelligence Development and Education. Pontificia Universidad Católica del Ecuador.
• 2006. Specialization in Intelligence Development and Education. Pontificia Universidad Católica del Ecuador. 
• 1989. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.  

 

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. 
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

  Recent publications: 

 

• Cuesta, S. A., Reinoso, C., Morales, F., Pilaquinga, F., Morán-Marcillo, G., Proaño-Bolaños, C., Blasco-Zúñiga, A., Rivera, M. &  Meneses, L. (2021). Novel antimicrobial cruzioseptin peptides extracted from the splendid leaf frog, Cruziohyla calcarifer. Amino Acids. https://doi.org/10.1007/s00726-021-02986-w

• Suárez, P., Ferro, J.M., Nagamachi, C.Y., Cardoszo, D.E., Blasco-Zúñiga, A., Silva, J.B., Marciano-JR, E., Costa, M.A., Orrico, V.G., Sole, M., Roberto, I.J., Rivera, M., Wiley, J.E., Faivoviche, J., Baldo, D., Pieczarka, J.C. (2020). Chromosome evolution in Lophyohylini (Amphibia, Anura, Hylinae). PLOS ONE 15(6): e0234331. https://doi.org/10.1371/journal.pone.0234331

• Proaño-Bolaños, C.; Blasco-Zúñiga, A.; Almeida, J.R.; Wang, L.; Llumiquinga, M.A.; Rivera, M.; Zhou, M.; Chen, T.; Shaw, C.(2019). Unravelling the Skin Secretion Peptides of the Gliding Leaf Frog, Agalychnis spurrelli (Hylidae). Biomolecules 9(11): 667

• Cuesta, S., Gallegos, F., Arias, J., Pilaquinga, F., Blasco-Zúñiga, A., Proaño-Bolaños, C., Rivera, M. & Meneses. L.  (2019). Molecular modeling of four Dermaseptin-related peptides of the gliding tree frog Agalychnis spurrelli. J Mol Model 25: 260. https://doi.org/10.1007/s00894-019-4141-1

• Ferro, J. M., Cardozo, D. E., Suárez, P., Boeris, J. M., Blasco-Zúñiga, A., Barbero, G., et al. (2018). Chromosome evolution in Cophomantini (Amphibia, Anura, Hylinae). PloS one 13(2), e0192861
  

• Flechas SV, Blasco-Zúñiga A, Merino-Viteri A, Ramírez-Castañeda V, Rivera M, Amézquita A. (2017) The effect of captivity on the skin microbial symbionts in three Atelopus species from the lowlands of Colombia and Ecuador. PeerJ 5:e3594

• Santos, J. S., Introíni, G. O., Veiga-Menoncello, A. C., Blasco, A., Rivera, M., & Recco-Pimentel, S. M. (2016). Comparative sperm ultrastructure of twelve leptodactylid frog species with insights into their phylogenetic relationships. Micron 91, 1-10

 

  ReseachGate: https://www.researchgate.net/profile/Miryan_Rivera 

Fabián Sáenz, PhD.

 

 

 

 

 

 

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Molecular epidemiology of the malaria parasite 

    Education:

 

• 2011 - 2015. Postdoctoral fellow Fogarty International Center (National Institutes of Health), D43 Training Grant.
• 2008 - 2011. Postdoctoral fellow: Department of Global Health, College of Public Health, University of South Florida.
• 2008. PhD. in Biology of Infectious Diseases, University of Notre Dame, IN, USA.
• 2001. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.

 

               

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. 
• CONIEIT (National Committee of Researchers on Infectious and Tropical Diseases) President.
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

   Current research (PUCE): Health and Vulnerable Groups. 

 

  Recent publications: 

• Martin, J. A., Hendershot, A. L., Saá Portilla, I. A., English, D. J., Woodruff, M., Vera-Arias, C. A.,  Salazar-Costa, B.E., Bustillos, J.J., Saénz, F.E., Ocaña-Mayorga, S., Koepfli, C. & Lobo, N. F. (2020). Anopheline and human drivers of malaria risk in northern coastal, Ecuador: a pilot study. Malaria Journal 19(1), 354. doi:10.1186/s12936-020-03426-y

• Salazar-Costa, B., Vera-Arias, C. Tamayo, M., Yumiseva C., Cagua-Ordoñez, J.C., Gomez-Obando, J., Sáenz, F.E. (2020). High prevalence of asymptomatic malaria infections on the Ecuador-Colombia border. Práctica Familiar Rural  5(2). Doi: https://doi.org/10.23936/pfr.v5i2.157

• Fletcher IK, Stewart-Ibarra AM, Sippy R, Carrasco-Escobar G, Silva M, Beltran-Ayala E, Ordoñez T, Adrian J, Sáenz FE, Drakeley C, Jones KE and Lowe R (2020) The Relative Role of Climate Variation and Control Interventions on Malaria Elimination Efforts in El Oro, Ecuador: A Modeling Study. Front. Environ. Sci. 8:135. doi: 10.3389/fenvs.2020.00135

• Vera-Arias, C. A., Castro, L. E., Gómez-Obando, J., & Sáenz, F. E. (2019). Diverse origin of Plasmodium falciparum in northwest Ecuador. Malaria journal, 18(1), 251. doi:10.1186/s12936-019-2891-y

• Valenzuela, G., Castro, L.E., Valencia-Zamora, J., Vera‑Arias, C.A., Rohrbach, P. and Sáenz, F.E. (2019). Genotypes and phenotypes of resistance in Ecuadorian Plasmodium falciparum. Malaria journal, 18, 415. doi:10.1186/s12936-019-3044-z

• Sáenz, F. E., Arévalo-Cortés, A., Valenzuela, G., Vallejo, A. F., Castellanos, A., Poveda-Loayza, A. C., et al. (2017). Malaria epidemiology in low-endemicity areas of the northern coast of Ecuador: high prevalence of asymptomatic infections. Malaria journal 16(1), 300 

 

Libros

• Anita G. Villacís, Fabián E. Sáenz, Marco V. Neira, Mario J. Grijalva. 2018. Ecosalud en las enfermedades transmitidas por vectores: Chagas, Dengue y Malaria. Tercer tomo (Ciencia de la Salud). La Medicina Ecuatoriana en el siglo XXI. Academia Ecuatoriana de Medicina Universidad Andina Simón Bolívar, Corporación Editora Nacional, editor Jaime Breilh.

 

  Orcid: https://orcid.org/0000-0001-6460-5373

                   ReseachGate: https://www.researchgate.net/profile/Fabian_Saenz

 

Xavier Sánchez Choez, M.D.

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Health technology assessment / Rational use of medicines / Economic evaluations in health / Pharmaco-economics.

 

 

 

 

  Education: 

• Currently.  Ph.D. in Epidemiology and Public Health. Universidad Alcalá de Henares. Madrid, Spain. 
• 2016. Master in Health and Drug Economics. Universidad Pompeú Fabra. Barcelona, Spain.  
• 2013. Specialist in Health Technology Assessment. Instituto de Efectividad Clínica Argentina.
• 2011. Specialist in Family Medicine. Pontificia Universidad Católica del Ecuador.
• 2006. Medicine and General Surgery. Universidad Central del Ecuador.

 

  Current position: 

 

• Associate Investigator at the Center for Research on Health in Latin America..

• Associate Professor 3, School of Medicine. Pontificia Universidad Católica del Ecuador.

• Professor of the Master in Business Administration - Mention in Health Services Administration. Pontificia Universidad Católica del Ecuador

• Postgraduate Professor (Family Medicine), School of Medicine. Pontificia Universidad Católica del Ecuador.

 

  Current research (PUCE): Health and Vulnerable Groups.. 

 

  Recent publications: 

 

• Acosta-Vargas, P., Dueñas-Espín, I., Armijos, L., Fonseca, J., Santillán, N., Jimbo, R., Rivadeneira, M.F., Xánchez, X., Sevilla, C., Tello, B. and Vivas, L. (2021). Challenges of Web Accessibility in a Health Application to Predict Neonatal Mortality – The Score Bebe ®. In: Nunes I.L. (eds) Advances in Human Factors and System Interactions. AHFE 2021. Lecture Notes in Networks and Systems, vol 265. Springer, Cham. https://doi.org/10.1007/978-3-030-79816-1_30

• ISARIC Clinical Characterisation Group (2021). COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study. Infection, 1–17. Advance online publication. https://doi.org/10.1007/s15010-021-01599-5

• Sánchez, X., Orrico, M., Morillo, T., Manzano, A., Jimbo, R. and L. Armijos (2021). Reducing unnecessary antibiotic prescription through implementation of a clinical guideline on self-limiting respiratory tract infections. PLOS ONE 16(4): e0249475. https://doi.org/10.1371/journal.pone.0249475

• Sánchez Choez, X., Loaiza Martínez, M., Vaca Tatamuez, V., López Peña, M., Manzano Pasquel, A., & Jimbo Sotomayor, R. (2021). Medical Cost of Upper Respiratory Tract Infections in Children in Ambulatory Care. Value in Health Regional Issues, 26, 1–9. https://doi.org/10.1016/j.vhri.2020.10.001

• Pritchard, M. G., ISARIC Clinical Characterisation Group (2020). COVID-19 symptoms at hospital admission vary with age and sex: ISARIC multinational study. medRxiv, 2020.2010.2026.20219519. https://doi.org/10.1101/2020.10.26.20219519

• Sánchez, X., Landázuri, A., Londo, P., Manzano, A., Moreno Roca, A., & Jimbo, R. (2020). Knowledge, Attitudes and Practices in Antibiotic Use in Family Medicine Students. Journal of Primary Care & Community Health, 11, 215013272098475. https://doi.org/10.1177/2150132720984758 

• Jimbo-Sotomayor, R., Armijos-Acurio, L., Proaño-Espinosa, J., Segarra-Galarza, K., & Sánchez-Choez, X. (2020). Morbidity and mortality due to pneumococcal disease in children in Ecuador from 2005 to 2015. Journal of Global Infectious Diseases, 12(3), 124. https://doi.org/10.4103/jgid.jgid_125_19 

• Jimbo Sotomayor, R., Toscano, C. M., Sánchez Choez, X., Vilema Ortíz, M., Rivas Condo, J., Ghisays, G., Haneuse, S., Weinberger, D. M., McGee, G., & de Oliveira, L. H. (2020). Impact of pneumococcal conjugate vaccine on pneumonia hospitalization and mortality in children and elderly in Ecuador: Time series analyses. Vaccine, 38(45), 7033–7039. https://doi.org/10.1016/j.vaccine.2020.09.032 

• Jimbo Sotomayor, R., Armijos Acurio, L., Sánchez Choez, X., Vilema Ortiz, M., Ghisays, G., Moyota Quinzo, D., & Moreta Colcha, F. (2019). Missed opportunities of vaccination in primary health care establishments in Ecuador. Vacunas (English Edition), 20(2), 46–52. https://doi.org/10.1016/j.vacune.2019.11.002 

• García, M., Armijos Acurio, M. L., Sotomayor, R. J., Sanchez, X., & Guijarro, S. (2019). Analysis of births, abortions and maternal mortality in adolescents in Ecuador from 2013 to 2016. International Journal of Pediatrics and Adolescent Medicine. https://doi.org/10.1016/j.ijpam.2019.07.002 

• Sánchez Choez, X., Armijos Acurio, M. L., & Jimbo Sotomayor, R. E. (2018). “Appropriateness and adequacy of antibiotic prescription for upper respiratory tract infections in ambulatory health care centers in Ecuador.” BMC Pharmacology and Toxicology, 19(1), 46. https://doi.org/10.1186/s40360-018-0237-y 

• Jimbo Sotomayor, R., Sánchez Choez, X., Vilema, M., & Ghisays, G. (2018). Costo de la inmunización de rutina en menores de un año en el Ecuador. Vacunas, 19(2), 61–66. https://doi.org/10.1016/j.vacun.2018.09.001

• Pesantez Ríos, G., Jimbo Sotomayor, R., Sánchez Choez, X., Valencia, C., Curatolo, P., & Pesantez Cuesta, G. (2018). Esclerosis tuberosa en Ecuador. Reporte de serie de casos. Neurología Argentina, 10(2), 66–71. https://doi.org/10.1016/j.neuarg.2017.10.002 

• Sánchez, X., & Jimbo, R. (2017). Gasto Y Cobertura De Inmunización En Niños Menores De Un Año De Edad En Ecuador. Value in Health, 20(9), A927. https://doi.org/10.1016/j.jval.2017.08.3095 

• Jimbo, R., Sanchez, X., & Henriquez-Trujillo, A. (2017). Costo De La Inmunización De Rutina En Menores De Un Año En El Año 2016 En El Ecuador. Value in Health, 20(9), A929. https://doi.org/10.1016/j.jval.2017.08.2905 

 

Books 

• Acurio, C., Barreiro, P., Cstro, K., García, M., Jimbo, R., Maldonado, D., Palacios, S., Ramadan, R., Sánchez, X., & Tello, B. (2020). Relación médico–paciente: Experiencias de comunicación y relatos de medicina narrativa (primera). Centro de Publicaciones PUCE.

 

  Orcid:  https://orcid.org/0000-0002-8258-8746

Anita Villacís, PhD.         

 

 

 

 

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Science applied to the prevention and control of Chagas Disease. Studies of biology, ecology, antennal phenotype, morphometry and genetic diversity of Triatomines. 

    Education:

 

• 2019. PhD. in Biological Sciences. Ohio University, OH, USA.
• 2016. Master in Infectious Disease Biology. Pontificia Universidad Católica del Ecuador.
• 2015. Magíster en Nuevas Tecnologías en Gestión y Práctica Docente. Pontificia Universidad Católica del Ecuador.
• 2014. Doctor in Biological Sciences. Pontificia Universidad Católica del Ecuador.
• 2006. Bachelor in Biology. Pontificia Universidad Católica del Ecuador. 
• 2004. Licenciatura en Ciencias de la Educación / Especialidad Biología. Pontificia Universidad Católica del Ecuador.

 

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. 
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

   Current research (PUCE): Health and Vulnerable Groups. 

  

  Recent publications: 

• Ocana-Mayorga, S., Bustillos, J., Villacís, A., Moncayo, A., Yumiseva, C., Brenière, S., & Grijalva, M. (2021). Human Blood Meals in Sylvatic Triatomines Challenges Domestic-Centered Strategies for Prevention of Trypanosoma cruzi Transmission in Ecuador. The American journal of tropical medicine and hygiene, tpmd201312. Advance online publication. https://doi.org/10.4269/ajtmh.20-1312

• Ocaña-Mayorga, S., Bustillos, J.J., Villacís A.G., Pinto, C.M., Brenière, S.F., Grijalva, M.J. (2021). Triatomine Feeding Profiles and Trypanosoma cruzi Infection, Implications in Domestic and Sylvatic Transmission Cycles in Ecuador. Pathogens. 10(1):42. https://doi.org/10.3390/pathogens10010042

• Mantilla, D., Rodríguez, F., Villacís, A. G. (2020). Design and development of an Educational videogame through an Agile Methodology, as a tool for children from 7 to 11 years for the prevention of Chagas Disease. RISTI - Revista Iberica de Sistemas e Tecnologias de Informacao 33: 338–350.

• Santillán-Guayasamín, S., Barnabé, C., Magallón-Gastelum, E., Waleckx, E., Yumiseva, C. A., Grijalva, M. J., Villacís, A.G., Brenière, S. F. (2020). Molecular data supports monophyly of Triatoma dispar complex within genus Triatoma. Infection, Genetics and Evolution, 85, 104429. doi:https://doi.org/10.1016/j.meegid.2020.104429

• Villacís, A. G., Bustillos, J. J., Depickère, S., Sánchez, D., Yumiseva, C. A., Troya-Zuleta, A., Barnabé, C., Grijalva, M.J. & Brenière, S. F. (2020). Would tropical climatic variations impact the genetic variability of triatomines: Rhodnius ecuadoriensis, principal vector of Chagas disease in Ecuador? Acta Tropica, 209, 105530. doi:https://doi.org/10.1016/j.actatropica.2020.105530

• Villacís, A.G., Dujardin, J., Panzera, F. Yumiseva, C.A., Pita, S., Santillán-Guayasamín, S., Orozco, M.I., Mosquera, K.D. & Grijalva, M.J. (2020). Chagas vectors Panstrongylus chinai (Del Ponte, 1929) and Panstrongylus howardi (Neiva, 1911): chromatic forms or true species?. Parasites Vectors 13(1), 226. https://doi.org/10.1186/s13071-020-04097-z

• Bates, B.R., Villacís, A.G., Mendez-Trivino, A., Mendoza, L.E., Grijalva, M.J. (2020). Determinants of intentions to prevent triatomine infestation based on the health belief model: An application in rural southern Ecuador. PLOS Neglected Tropical Diseases 14(1): e0007987. https://doi.org/10.1371/journal.pntd.0007987

• Barnabé, C., Grijalva, M. J., Santillán-Guayasamín S., Yumiseva, C. A., Waleckx, E., Brenière, F. S., Villacís, A.G. (2020). Genetic data support speciation between Panstrongylus howardi and Panstrongylus chinai, vectors of Chagas disease in Ecuador. Infection, Genetics and Evolution, 104103. https://doi.org/10.1016/j.meegid.2019.104103

• Padilla, N.A., Moncayo, A.L., Keil, C.B., Grijalva, M.J., Villacís, A. G. (2019). Life Cycle, Feeding, and Defecation Patterns of Triatoma carrioni (Hemiptera: Reduviidae), Under Laboratory Conditions, Journal of Medical Entomology 56(3): 617–624. https://doi.org/10.1093/jme/tjz004

• Santillán-Guayasamín, S., Villacís, A. G., Grijalva, M. J., & Dujardin, J. P. (2018). Triatominae: does the shape change of non-viable eggs compromise species recognition?. Parasites & vectors 11(1), 543

• Dujardin, J.P., Dujardin, S., Kaba, D., Santillán-Guayasamín, S., Villacís, A.G., Piyaselakul, S., Sumruayphol, S., Samung, Y., Morales, R. (2017). The maximum likelihood identification method applied to insect morphometric data. Zoological Systematics 42(1), 46-58. DOI: 10.11865/zs.201704

• Grijalva, M.J., Villacís, A.G., Moncayo, A.L., Ocaña-Mayorga, S., Yumiseva, C.A., Baus, E.G. (2017). Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS neglected tropical diseases 11(10), e0005970

• Hernandez-Castro, L.E., Paterno, M., Villacís, A.G., Andersson, B., Costales, J.A., De Noia, M., Ocaña-Mayorga, S., Yumiseva, C.A., Grijalva, M. J., Llewellyn, M.S. (2017). 2b-RAD genotyping for population genomic studies of Chagas disease vectors: Rhodnius ecuadoriensis in Ecuador. PLoS neglected tropical diseases 11(7), e0005710

• Santillán-Guayasamín, S., Villacís, A.G., Grijalva, M.J., Dujardin, J.P. (2017). The modern morphometric approach to identify eggs of Triatominae. Parasites & vectors 10(1), 55

• Villacís, A.G., Marcet, P.L., Yumiseva, C.A., Dotson, E.M., Tibayrenc, M., Brenière, S.F., Grijalva, M.J. (2017). Pioneer study of population genetics of Rhodnius ecuadoriensis (hemiptera: Reduviidae) from the central coast and southern Andean regions of Ecuador. Infection, Genetics and Evolution 53, 116-127

Libros

• Anita G. Villacís, Fabián E. Sáenz, Marco V. Neira, Mario J. Grijalva. 2018. Ecosalud en las enfermedades transmitidas por vectores: Chagas, Dengue y Malaria. Tercer tomo (Ciencia de la Salud). La Medicina Ecuatoriana en el siglo XXI. Academia Ecuatoriana de Medicina Universidad Andina Simón Bolívar, Corporación Editora Nacional, editor Jaime Breilh.

• S.F. Brenière, A. Villacís and C. Aznar. 2017. Chapter 22: Vector transmission: how it works, what transmits, where it occurs. American Trypanosomiasis Chagas Disease 2nd Edition, One Hundred Years of Research. ELSEVIER.

 

  ReseachGate: https://www.researchgate.net/profile/Anita_Villacis

César Yumiseva, Mtr.     

 

 

 

 

 

 

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Diseases Ecology, Spatial Ecology, Spatial Epidemiology, Geostatistics and Ecological Niche Models. 

 

   Education:

 

• 2014. Specialty in Geographic information systems. UNIGIS Program. USFQ.
• 2014. Master in Geographic information systems. UNIGIS Program. USFQ.
• 2004. Bachelor in Biology. Pontificia Universidad Católica del Ecuador.

 

 

  Current position: 

 

• Principal Investigator at the Center for Research on Health in Latin America. 
• Professor at the School of Biological Sciences. College of Exact and Natural Sciences. Pontificia Universidad Católica del Ecuador.

 

 

  Current research (PUCE): Health and Vulnerable Groups. 

 

 

  Recent publications: 

 

• Ocana-Mayorga, S., Bustillos, J., Villacís, A., Moncayo, A., Yumiseva, C., Brenière, S., & Grijalva, M. (2021). Human Blood Meals in Sylvatic Triatomines Challenges Domestic-Centered Strategies for Prevention of Trypanosoma cruzi Transmission in Ecuador. The American journal of tropical medicine and hygiene, tpmd201312. Advance online publication. https://doi.org/10.4269/ajtmh.20-1312

• Salazar-Costa, B., Vera-Arias, C. Tamayo, M., Yumiseva C., Cagua-Ordoñez, J.C., Gomez-Obando, J., Sáenz, F.E. (2020). High prevalence of asymptomatic malaria infections on the Ecuador-Colombia border. Práctica Familiar Rural  5(2). Doi: https://doi.org/10.23936/pfr.v5i2.157

• Santillán-Guayasamín, S., Barnabé, C., Magallón-Gastelum, E., Waleckx, E., Yumiseva, C. A., Grijalva, M. J., Villacís, A.G., Brenière, S. F. (2020). Molecular data supports monophyly of Triatoma dispar complex within genus Triatoma. Infection, Genetics and Evolution, 85, 104429. doi:https://doi.org/10.1016/j.meegid.2020.104429

• Villacís, A. G., Bustillos, J. J., Depickère, S., Sánchez, D., Yumiseva, C. A., Troya-Zuleta, A., Barnabé, C., Grijalva, M.J. & Brenière, S. F. (2020). Would tropical climatic variations impact the genetic variability of triatomines: Rhodnius ecuadoriensis, principal vector of Chagas disease in Ecuador? Acta Tropica, 209, 105530. doi:https://doi.org/10.1016/j.actatropica.2020.105530

• Villacís, A.G., Dujardin, J., Panzera, F. Yumiseva, C.A., Pita, S., Santillán-Guayasamín, S., Orozco, M.I., Mosquera, K.D. & Grijalva, M.J. (2020). Chagas vectors Panstrongylus chinai (Del Ponte, 1929) and Panstrongylus howardi (Neiva, 1911): chromatic forms or true species?. Parasites Vectors 13(1), 226. https://doi.org/10.1186/s13071-020-04097-z

• Barnabé, C., Grijalva, M. J., Santillán-Guayasamín S., Yumiseva, C. A., Waleckx, E., Brenière, F. S., Villacís, A.G. (2020). Genetic data support speciation between Panstrongylus howardi and Panstrongylus chinai, vectors of Chagas disease in Ecuador. Infection, Genetics and Evolution, 104103. https://doi.org/10.1016/j.meegid.2019.104103

• Grijalva, M. J., Villacís, A. G., Moncayo, A. L., Ocaña-Mayorga, S., Yumiseva, C. A., & Baus, E. G. (2017). Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS neglected tropical diseases 11(10), e0005970

• Hernandez-Castro, L.E., Paterno, M., Villacís, A.G., Andersson, B., Costales, J.A., De Noia, M., Ocaña-Mayorga, S., Yumiseva, C.A., Grijalva, M. J., Llewellyn, M.S. (2017). 2b-RAD genotyping for population genomic studies of Chagas disease vectors: Rhodnius ecuadoriensis in Ecuador. PLoS neglected tropical diseases 11(7), e0005710

• Villacís, A.G., Marcet, P.L., Yumiseva, C.A., Dotson, E.M., Tibayrenc, M., Brenière, S.F., Grijalva, M.J. (2017). Pioneer study of population genetics of Rhodnius ecuadoriensis (hemiptera: Reduviidae) from the central coast and southern Andean regions of Ecuador. Infection, Genetics and Evolution 53, 116-127

  ReseachGate: https://www.researchgate.net/profile/Cesar_Yumiseva