SARS-CoV-2 Found in Wild Deer in Dublin, Ireland, Earlier than Expected

White-tailed deer in Dublin, Ireland, show potential susceptibility to SARS-CoV-2 infection, prompting the need for ongoing surveillance.

Surveys from the University College Dublin found SARS-CoV-2 neutralizing antibodies in fallow deer in Ireland, indicating potential exposure to the virus.
The study revealed that 57% of the fallow deer population in Phoenix Park, Dublin, were seropositive for SARS-CoV-2, with the highest neutralization level at 42%.
Deer interaction with humans in the park, often involving feeding by visitors, likely contributed to the exposure of deer to the virus.
Despite seropositivity, all deer sampled tested negative for SARS-CoV-2 RNA, indicating past exposure rather than current infection.
The study highlighted the need for ongoing surveillance of SARS-CoV-2 in wildlife and the possible risks associated with human-animal interactions in urban settings.

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