Coronavirus disease of 2019 (COVID-19) caused by severe acute respiratory syndrome virus type 2 (SARS-CoV-2) is an emerging severe acute respiratory disease affecting global human health. In this study, a large-scale serological survey of antibodies against SARS-CoV-2 in dogs and cats was conducted during the first and second waves of COVID-19 outbreaks in Thailand, from April to December 2020. A total of 3215 serum samples were collected from dogs (n = 2102) and cats (n = 1113) living in Bangkok and in the vicinities. Serum samples were tested for SARS-CoV-2 antibodies by using an indirect multispecies enzyme-linked immunosorbent assay (ELISA). Positive and suspected samples were additionally tested for neutralizing antibodies by the surrogate virus neutralization test (sVNT). The indirect ELISA results showed that 1.66% (35 out of 2103) of dogs and 0.36% (four out of 1112) of cats were positive for SARS-CoV-2 antibodies. The sVNT results showed that all ELISA-positive and suspected samples were negative for neutralizing antibodies. Positive serum samples (35 dogs and four cats) were obtained from clinically healthy animals and animals with mild respiratory signs aged <1-13 years living in Bangkok and Samutprakarn Provinces. In summary, a serological survey revealed evidence of anti-N-IgG antibodies suggesting SARS-CoV-2 exposure in both dogs and cats during the first and second COVID-19 outbreaks in Thailand.
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http://dx.doi.org/10.1111/tbed.14208 | DOI Listing |
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Retired, Research Statistician Hawai'i Department of Health, Adjunct Assistant Professor, University of Hawai'i, Office of Public Health Studies, Honolulu, HI.
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Dept. of Animal Medicine, Production and Health, University of Padova, Legnaro, viale dell'Università 16, 35020, Italy. Electronic address:
Crimean-Congo haemorrhagic fever (CCHF) is a viral zoonotic disease endemic to regions of Africa, the Balkans, the Middle East, and Asia, with increasing reports of cases in southern Europe. Human transmission occurs primarily through the bite of infected ticks and by body fluids from infected human. Crimean-Congo haemorrhagic fever virus (CCHFV) affects a broad host range, including both domestic and wild vertebrates.
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Dr. Bloomquist is from the School of Medicine, University of South Carolina, Columbia. Dr. Elston is from the Department of Dermatology & Dermatologic Surgery, Medical University of South Carolina, Charleston.
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VCA Family and Oahu Veterinary Specialty Center, 98-1254 Ka'ahumanu Street, Pearl City, Hawaii 96782, USA.
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Neurology Unit, Centre Hospitalier Vétérinaire Anicura Pommery, 226 Boulevard Pommery, 51100 Reims, France.
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