Between October and December of last year, researchers swabbed the noses of 93 dead deer from across Pennsylvania. Nearly a fifth of the animals tested positive for COVID.
This is one result from a new pair of soon-to-be-published studies with the latest evidence for COVID spillover from humans into wild white-tailed deer where the virus picked up a raft of new mutations. In addition, in one case, COVID most likely later spilled back from the deer into a human. That’s a first.
These new findings — which follow an earlier study about COVID in the white-tailed deer population — are raising renewed concerns over the unpredictability of spillover events and the potential risks posed to humans. Here are a few questions being asked about the deer spillovers.
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