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identified as a spillover into a nonhuman mammal is shaded dark blue. The spillover host is shown as S (swine), D (dog), P (pinniped), or C (cetecean). A subtype that became endemic within the spillover mammalian host is marked (asterisk). HPAI = High

Open access
in Journal of the American Veterinary Medical Association

produced a significant expansion of both the geography and species in which the virus has been recovered, including spillover into an expanding array of mammalian hosts in different environments. 2 – 6 Since its emergence in the late 1990s, 7 the

Open access
in American Journal of Veterinary Research

Abstract

OBJECTIVE

To investigate the prevalence and seropositivity of SARS-CoV-2 in companion and exotic animals in a veterinary healthcare system.

SAMPLE

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).

METHODS

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.

RESULTS

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.

CLINICAL RELEVANCE

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.

Open access
in Journal of the American Veterinary Medical Association
Author:

similar outbreaks in South American populations in 2023, and further work on the disease ecology of HPAI is helping to evaluate critical interfaces and spillover with other mammalian hosts. A global and cooperative perspective is vital in researching

Open access
in American Journal of Veterinary Research

the importance of the interrelationships of people, domestic animals, wildlife, and the environment in preventing pathogen spillover and devastating epidemics. CVM’s role in developing diagnostic laboratory capacity to meet university and regional

Open access
in American Journal of Veterinary Research

with a terrestrial reservoir involving the mongoose. Continued surveillance of spillover events and rabies virus variant typing will improve the understanding of viral epidemiology on the island. Research addressing animal welfare and the human

Open access
in American Journal of Veterinary Research

susceptible animals in new geographical regions, 46 , 47 much like the vaccinia virus becoming established in water buffalo in India and cattle in Brazil. 32 , 48 Moreover, such a spillover event may be unrecognizable because animals infected with the mpox

Open access
in Journal of the American Veterinary Medical Association

being the first to recognize incidents of reverse zoonosis but also at risk of spillover events from animal reservoirs. Figure 1 Graphical definition of “One Health.” From WHO, 2021. Tripartite and UNEP support OHHLEP’s definition of “One Health

Open access
in American Journal of Veterinary Research

spillover events from wildlife to domestic livestock, a Designated Surveillance Area was defined by Idaho, Montana, and Wyoming, with oversight by USDA-APHIS, to perform increased wildlife and livestock surveillance for brucellosis. 9 – 11 Regulations

Open access
in Journal of the American Veterinary Medical Association

have been found in Germany in 2020 6 and Italy in 2022. The significant majority of detections are in wild boars, with occasional spillovers into domestic swine herds. Perhaps the most significant recent outbreak occurred in Asia, starting with the

Open access
in Journal of the American Veterinary Medical Association