The epidemiology of SARS-CoV-2 in white-tailed deer researchsquare USDA epidemiology covid COVID19 SARSCoV2 deer whitetailedeer transmission zoonosis zoonotic reservoir publichealth
By Bhavana KunkalikarApr 26 2023Reviewed by Lily Ramsey, LLM In a recent study posted to the Research Square* preprint server, researchers explored the epidemiological factors of severe acute respiratory syndrome coronavirus 2 in white-tailed deer.
WTD populations could become reservoir hosts for SARS-CoV-2, leading to the likelihood of variant persistence, the emergence of new variants, and spillback into human populations due to endemic transmission. Department of Agriculture-Animal and Plant Health Inspection Service , Wildlife Services, and other agencies were involved. The study recorded management type and deer-specific metrics such as sex and age class.
Results Between October 2021 and March 2022, 10,217 oral and nasal swab specimens from WTD were tested across 27 states and Washington, DC. 13% of the samples tested positive for SARS-CoV-2 viral RNA. The prevalence of WTD is also expected to increase from 10% to 15% between October 2021 and March 2022 as the proportion of WTD habitat increases.
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