SARS-CoV-2 surveillance in a veterinary health system provides insight into transmission risks

SARS-CoV-2 surveillance in a veterinary health system provides insight into transmission risks

To investigate the prevalence and seropositivity of SARS-CoV-2 in companion and exotic animals in a veterinary healthcare system. A total of 341 animals were sampled by a combination of oral and nasal swabs. Serum from whole blood was collected from a subset of animals (86 canines, 25 felines, and 6...

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Published in:Journal of the American Veterinary Medical Association Vol. 262; no. 1; pp. 93 - 99
Main Authors: Sparrer, McKenzie N, Hodges, Natasha F, Ragan, Izabela, Yamashita, Tyler, Reed, Kirsten J, Sherman, Tyler J, Mayer, Treana, Maichak, Courtney, Adney, Danielle R, Carpenter, Molly, Webb, Tracy L, Mayo, Christie
Format: Journal Article
Language:English
Published: United States 01-01-2024
Subjects:
Animals
Cat Diseases
Cats
Colorado - epidemiology
COVID-19 - epidemiology
COVID-19 - veterinary
Dog Diseases
Dogs
Health Personnel
Humans
RNA, Viral
SARS-CoV-2
Colorado
SARS-CoV-2
exotic animals
surveillance
animal health
zoonotic disease
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Summary:To investigate the prevalence and seropositivity of SARS-CoV-2 in companion and exotic animals in a veterinary healthcare system. A total of 341 animals were sampled by a combination of oral and nasal swabs. Serum from whole blood was collected from a subset of animals (86 canines, 25 felines, and 6 exotic animals). After informed owner consent, convenience samples from client-owned animals and the pets of students and staff members associated with Colorado State University's Veterinary Health System were collected between May 2021 and September 2022. Study samples were collected by trained veterinarians, Veterinary Health System staff, and veterinary students. SARS-CoV-2 RNA was detected by reverse transcription PCR in 1.6% (95% CI, 0.5% to 4.6%) of domestic canines and 1.1% (95% CI, 0.2% to 6.1%) of domestic felines. No RNA was detected in any of the exotic animal species tested (n = 66). Plaque reduction neutralization tests indicated that 12.8% (95% CI, 7.3% to 21.5%) of canines and 12.0% (95% CI, 4.2% to 30.0%) of felines had neutralizing antibodies against SARS-CoV-2. This study provides insight regarding SARS-CoV-2 spillover in domestic companion and exotic animals and contributes to our understanding of transmission risk in the veterinary setting.
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content type line 23
ISSN:0003-1488
1943-569X
1943-569X
DOI:10.2460/javma.23.05.0229