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.
MSPH (International Health)
Johns Hopkins Bloomberg School of Public Health, 2014.
PhD (Epidemiology)
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. Aug 2025.

De la Cruz-Saldana T, Bustos JA, Requena-Herrera MP, Martinez-Merizalde N, Ortiz-Cam L, Cáceres AL, Guzman C, Gavidia CM, Ugarte-Gil C, Castillo-Neyra R.: A scoping review on control strategies for Echinococcus granulosus sensu lato. IJID One Health. 8: 100078, Jul 2025 Notes: https://onehealth.ijidonline.org/article/S2949-9151(25)00026-5/fulltext.

Castillo-Neyra R, Ortiz-Cam L, Cañari-Casaño JL, Diaz EW, Tamayo LD, Porras G, Recuenco SE, Paz-Soldan VA.: An Implementation Science Framework to Understand Low Coverage in Mass Dog Rabies Vaccination. PLoS Negl Trop Dis. 19(7): e0012869, Jul 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. Jun 2025.

Tidman R, Larkins A, Auplish A, Benfield C, Cleaveland S, Fahrion AS, Leopardi V, Ghimire R, Morucci K, Sila S, Castillo-Neyra R, Okello A.: Evaluating cross-cutting opportunities for dog-mediated rabies control: a scoping review. Front Microbiol. 16: 1473929, Jun 2025.

Diaz EW, Sila S, Bellotti Raynor B, De la Puente-León M, Levy MZ, Castillo-Neyra R.: Highly Dynamic Population of Owned Dogs and Implications for Zoonosis Control. BioRxiv. Apr 2025.

Xie S, Shinnick J, Diaz EW, Zegarra E, Monroy Y, Recuenco SE, Castillo-Neyra R.: Neighborhood Socioeconomic Status and Dog-Mediated Rabies: Disparities in Incidence and Surveillance Effort in a Latin American City. MedRxiv. Apr 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), Mar 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, Feb 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, Dec 2024

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Last updated: 07/27/2025
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