Fabio Sanchez, Ph.D.

Director and Associate Professor
Department of Applied Mathematics and Centro de Investigación en Matemática Pura y Aplicada (CIMPA)
Universidad de Costa Rica

Office Phone: 2511-6608 (CIMPA)/ 2511-6555 (Mathematics Department)
E-mail: fabio.sanchez@ucr.ac.cr
Office Location: Cubículo #7, Edificio anexo de Matemática, Ciudad de la Investigación.
links: Google Scholar, ResearchGate, CV

Ph.D.Biological Statistics & Computational BiologyCornell University, US2007
B.S.Computer ScienceUniversidad Metropolitana, Cupey, PR2001


  • Mathematical modeling
  • Mathematical biology
  • Mathematical epidemiology


  • University of California Davis - Seed Grant (2022)
    Biostatistics, Public Health Sciences
    Proyecto ganador: "Mathematical Models for Dengue Surveillance: Challenges and Opportunities"

  • Universidad de Costa Rica (2020)
    (Grant) UCREA (Espacio Universitario de Estudios Avanzados)
    Proyecto ganador: “LaBsiq: Medidas de educación comunitarias para la prevención de arbovirosis en un cantón modelo (Siquirres)”.

  • Universidad de Costa Rica (2019)
    (Grant) Fondos concursables para investigación postdoctoral de Vice-Rectorı́a de Investigación
    Proyecto: “Mathematical Models for the Development of Prevention/Control Strategies of Aedes aegypti in Costa Rica”.

  • Universidad de Costa Rica (2018)
    (Grant) UCREA (Espacio Universitario de Estudios Avanzados)
    Proyecto ganador: “Mathematical Models for the Development of Prevention/Control Strategies of Aedes aegypti in Costa Rica”.

  • Joint SIAM-SMB Conference on the Life Sciences
    Oral Presentation award winner 2006, Mathematical Modeling of Cigarette Smoking among Adolescents as an Infectious Disease (Co-advisor).

  • Society for the Advancement and Native Americans in Science (SACNAS)
    Conference Co-directed undergraduate projects (poster award winner) 2004.

  • AMS (American Mathematical Society), Poster award winner 2000
    Do we really have to take all our medicine?: Predicting the consequences of antibiotic misuse Co-directed undergraduate research projects (poster award winners) in 2003 and 2004.

  • MIT Biology Undergraduate Student Association’s Annual Howard Hughes Research Symposium
    Poster award winner 2000. Do we really have to take all our medicine?: Predicting the consequences of antibiotic misuse.

  • Universidad Metropolitana, Excellence Award 2000 − 2001
  • Universidad Metropolitana, Honors Award 1999 − 2001
  • Universidad Metropolitana, MIE scholar 1998 − 2001


J.G. Calvo,F. Sanchez, L.A. Barboza, Y.E. García, P. Vásquez (2022). A Multilayer Network Model implementation for Covid-19. Mathematical Biosciences & Engineering, Accepted.

P. Vásquez, F. Sanchez, L.A. Barboza, Y.E. García, J.G. Calvo, S.-W. Chou-Chen, G. Mery (2022). Mathematical and statistical models for the control of mosquito-borne diseases: the experience of Costa Rica. Rev Panam Salud Publica, 46.

F. Sanchez, J.G. Calvo, G. Mery, Y.E. García, P. Vásquez, L.A. Barboza, M.D. Pérez, T. Rivas (2022). A multilayer network model of Covid-19: Implications in public health policy in Costa Rica. Epidemics, 39(100577).

Y.E. García, G. Mery, P. Vásquez, J.G. Calvo, L.A. Barboza, T. Rivas, F. Sanchez (2022). Projecting the Impact of Covid-19 Variants and Vaccination Strategies in Disease Transmission using a Multilayer Network Model in Costa Rica. Scientific Reports, 12(2279).

J.C. Montesinos-López, M.L. Daza-Torres, Y.E. García, Luis A. Barboza, F. Sanchez, A.J. Schmidt, B.H. Pollock, M. Nuño (2021). The Role of SARS-CoV-2 Testing on Hospitalizations in California. Life, 11(12).

L. Barboza, P. Vásquez, G. Mery, F. Sanchez, Y.E. García, J.G. Calvo, T. Rivas, M.D. Pérez, D. Salas (2021). The Role of Mobility and Sanitary Measures on the Delay of Community Transmission of COVID-19 in Costa Rica. Epidemiologia, 2(3), 294-304.

J.G. Calvo, A. Hernández, M.A. Porter, F. Sanchez (2020). A Two-Patch Epidemic Model with Nonlinear Reinfection. Revista de Matemática: Teoría y Aplicaciones, 27(1), 23-48.

F. Sanchez and J.G. Calvo (2020). Dengue model with early-life stage of vectors and age-structure within host. Revista de Matemática: Teoría y Aplicaciones, 27(1), 157-177.

P. Vásquez, A. Loría, F. Sanchez, L. Barboza (2020). Climate-Driven Statistical Models as Effective Predictors of Local Dengue Incidence in Costa Rica: A Generalized Additive Model and Random Forest Approach. Revista de Matemática: Teoría y Aplicaciones, 27(1), 1-21.

F. Sanchez, L. Barboza, P. Vásquez (2019). Parameter estimates of the 2016-2017 Zika outbreak in Costa Rica: An Approximate Bayesian Computation (ABC) approach. Mathematical Biosciences and Engineering, 16(4), 2738-2755.

F. Sanchez, J.G. Calvo, E. Segura, Z. Feng (2019).A partial differential equation model with age-structure and nonlinear recidivism: Conditions for a backward bifurcation and a general numerical implementation. Computers & Mathematics with Applications, 78(12), 3916-3930.

J. Arroyo-Esquivel, F. Sanchez, L. Barboza (2019). Infection model for analyzing biological control of coffee rust using bacterial anti-fungal compounds. Mathematical biosciences, 307, 13-24.

F. Sanchez, L. Barboza, D. Burton, A Cintrón-Arias (2018). Comparative analysis of dengue versus chikungunya outbreaks in Costa Rica. Ricerche di Matematica, 67(1), 163-174.

F. Sanchez, X. Wang, C. Castillo-Chavez, D.M. Gorman, P.J. Gruenewald (2007). Drinking as an epidemic—a simple mathematical model with recovery and relapse. Therapist’s Guide to Evidence-Based Relapse Prevention, 353-368.

G. Chowell and F. Sanchez (2005). Climate-based descriptive models of dengue fever: the 2002 epidemic in Colima, Mexico. Journal of Environmental Health, 68(10).