faculty photo

Ricardo Castillo, PhD DVM MSPH

Assistant Professor of Biostatistics and Epidemiology
Department: Biostatistics and Epidemiology

Contact information
Department of Biostatistics, Epidemiology and Informatics
423 Guardian Dr.
Blockley Hall, Rm.715
Philadelphia, PA 19104
Office: 2157467333
Education:
BSc (Veterinary Medicine)
Universidad Nacional Mayor de San Marcos, 2006.
DVM (Veterinary Medicine)
Universidad Nacional Mayor de San Marcos, 2007.
PhD (Epidemiology)
Johns Hopkins Bloomberg School of Public Health, 2014.
MSPH (International Health)
Johns Hopkins Bloomberg School of Public Health, 2014.
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Selected Publications

Porras G, Diaz EW, De la Puente M, Gavidia CM, Castillo-Neyra R.: Estimation of free-roaming dog populations using Google Street View: A Methodological Study. PLoS One August 2025.

Tania De la Cruz-Saldana, Javier A. Bustos, Maria P. Requena-Herrera, Nelson Martinez-Merizalde, Lizzie Ortiz-Cam, Ana Lucía Cáceres, Carolina Guzman, Cesar M. Gavidia, Cesar Ugarte-Gil, Ricardo Castillo-Neyra: A scoping review on control strategies for Echinococcus granulosus sensu lato. IJID One Health July 2025 Notes: https://onehealth.ijidonline.org/article/S2949-9151(25)00026-5/fulltext.

Ricardo Castillo-Neyra, Lizzie Ortiz-Cam, Jorge L. Cañari-Casaño, Elvis W. Diaz, Laura D. Tamayo, Guillermo Porras, Sergio E. Recuenco, Valerie A. Paz-Soldan: An Implementation Science Framework to Understand Low Coverage in Mass Dog Rabies Vaccination. PLoS Negl Trop Dis July 2025.

Porras G, Diaz EW, Leopardi V, Xie S, De la PuenteLeón M, Ortiz-Cam L, Zegarra E, Monroy Y, Salazar R, Castillo-Neyra R.: A Mixed Methods Evaluation of the Foramen Magnum and Open Skull Methods for Rabies Lyssavirus Detection in Dog Brain Samples. SSRN June 2025.

R. Tidman, A. Larkins, A. Auplish, C. Benfield, S. Cleaveland, Anna S. Fahrion, V. Leopardi, R. Ghimire, K. Morucci, S. Sila, R. Castillo-Neyra, A. Okello: Evaluating cross-cutting opportunities for dog-mediated rabies control: a scoping review. Frontiers in Microbiology June 2025.

Elvis W. Diaz, Stephanie Sila, Brinkley Bellotti Raynor, Micaela De la Puente-León, Michael Z. Levy, Ricardo Castillo-Neyra: Highly Dynamic Population of Owned Dogs and Implications for Zoonosis Control. BioRxiv April 2025.

Sherrie Xie, Julianna Shinnick, Elvis W. Diaz, Edith Zegarra, Ynes Monroy, Sergio E. Recuenco, Ricardo Castillo-Neyra: Neighborhood Socioeconomic Status and Dog-Mediated Rabies: Disparities in Incidence and Surveillance Effort in a Latin American City. MedRxiv April 2025.

Salazar R, Brunker K, Díaz EW, Zegarra E, Monroy Y, Baldarrago GN, Borrini-Mayorí K, De la Puente-León M, Palmalux N, Nichols J, Kasaragod S, Levy MZ, Hampson K, Castillo-Neyra R: Genomic characterization of a dog-mediated rabies outbreak in El Pedregal, Arequipa, Peru. PLoS Negl Trop Dis 19(3), March 2025.

Bellotti BR, Díaz EW, De la Puente-León M, Rieders MT, Recuenco SE, Levy MZ, Castillo-Neyra R.: Challenging a paradigm: Staggered versus single-pulse mass dog vaccination strategy for rabies elimination PLoS Comput Biol 21(7): e1012780, February 2025.

Xie S, Rieders M, Changolkar S, Bhattacharya BB, Diaz EW, Levy MZ, Castillo-Neyra R: Enhancing mass vaccination programs with queueing theory and spatial optimization Front Public Health(12), 1440673, December 2024

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Last updated: 07/22/2025
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