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Sofía Ocaña-Mayorga, PhD.


Research group: OneHealth (group leader)

Healthy Living Initiative

Infectious and tropical diseases

Areas of research: Parasitology / Infectious, immunological and chronic diseases / Healthy environments and lifestyles / OneHealth

  Investigacin actual  Current research:

  • Dynamics of infectious disease transmission
  • Parasite-host interactions in the transmission of Chagas disease
  • Diversity and identification of resistance to insecticides in malaria vectors
  • Pathogens in areas of interaction of wild and domestic animals

Estudios  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.  


Cargo actual  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.


Publicaciones recientes  Recent publications


  • Grijalva, M.J.; Villacís, A.G.; Ocaña-Mayorga, S.; Yumiseva, C.A.; Nieto-Sanchez, C.; Baus, E.G. and Moncayo, A.L. (2022).Evaluation of the Effectiveness of Chemical Control for Chagas Disease Vectors in Loja Province, Ecuador. Vector-Borne and Zoonotic Diseases. Ahead of print
  • Mario J Grijalva, Ana L Moncayo, Cesar A Yumiseva, Sofia Ocaña-Mayorga, Esteban G Baus, Anita G Villacís. (2022). Evaluation of Selective Deltamethrin Application with Household and Community Awareness for the Control of Chagas Disease in Southern Ecuador. Journal of Medical Entomology, tjac050,
  • Hernandez-Castro, L.E., Villacís, A.G., Jacobs, A., Cheaib, B., Day, C.C., Ocaña-Mayorga, S., Yumiseva, C.A., Bacigalupo, A., Andersson, B., Matthews, L., Landguth, E.L., Costales, J.A., Llewellyn, M.S., Grijalva, M.J. (2022) Population genomics and geographic dispersal in Chagas disease vectors: Landscape drivers and evidence of possible adaptation to the domestic setting. PLOS Genetics 18(2): e1010019.
  • 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.
  • 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.
  • 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


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