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SARS-CoV-2 Seroprevalence Studies in Pets, Spain Sánchez Morales, Lidia Barroso Arévalo, Sandra Barasona García-Arévalo, José Ángel Domínguez Rodríguez, Lucas José Sánchez-Vizcaíno Rodríguez, José Manuel 636.09 COVID-19 SARS-CoV-2 Spain epidemiology pets respiratory infections seroprevalence severe acute respiratory syndrome coronavirus 2 viruses zoonoses Veterinaria 3109 Ciencias Veterinarias Author contributions: conceptualization: S.B.-A., L.D., J.M.S.-V.; data curation: S.B.-A., L.S.-M., J.A.B.; formal analysis: S.B.-A., L.S.-M., J.A.B.; funding acquisition: J.M.S.-V., L.D.; laboratory analyses: S.B.-A., L.S.-M.; methodology: S.B.-A., L.S.-M., J.A.B., J.M.S.-V.; project administration: J.M.S.-V.; resources: L.D., J.M.S.-V.; software: S.B.-A., L.S.-M., J.A.B.; supervision: L.D., J.M.S.-V.; validation: S.B.-A., L.S.-M., J.A.B., J.M.S.-V.; visualization: S.B.-A., L.S.-M., J.A.B.; original draft preparation: S.B.-A., L.S.-M., J.A.B.; manuscript review and editing: S.B.-A., L.S.-M., J.A.B., L.D., J.M.S.-V. SARS-CoV-2 can infect domestic animals such as cats and dogs. The zoonotic origin of the disease requires surveillance on animals. Seroprevalence studies are useful tools for detecting previous exposure because the short period of virus shedding in animals makes detection of the virus difficult. We report on an extensive serosurvey on pets in Spain that covered 23 months. We included animals with exposure to SARS-CoV-2-infected persons, random animals, and stray animals in the study. We also evaluated epidemiologic variables such as human accumulated incidence and spatial location. We detected neutralizing antibodies in 3.59% of animals and showed a correlation between COVID-19 incidence in humans and positivity to antibody detection in pets. This study shows that more pets were infected with SARS-CoV-2 than in previous reports based on molecular research, and the findings highlight the need to establish preventive measures to avoid reverse zoonosis events. Instituto de Salud Carlos III European Commission Comunidad de Madrid Depto. de Sanidad Animal Centro de Vigilancia Sanitaria Veterinaria (VISAVET) TRUE pub 2024-08-20T09:15:29Z 2024-08-20T09:15:29Z 2023 journal article AM https://hdl.handle.net/20.500.14352/107523 1080-6040 10.3201/eid2906.221737 eng COV20/01385 REACT ANTICIPA-UCM PR38/21 Barroso-Arévalo, S., Sánchez-Morales, L., Barasona, J. A., Domínguez, L., & Sánchez-Vizcaíno, J. M. (2023). SARS-CoV-2 Seroprevalence Studies in Pets, Spain. Emerging Infectious Diseases, 29(6), 1136-1142. https://doi.org/10.3201/eid2906.221737 Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ open access application/pdf