The deadly bird flu may have already infected at least some of the half-million stray cats roaming the Big Apple, animal activists warn — a troubling scenario that could threaten humans, too. There have not yet been any confirmed cases of felines contracting the H5N1 virus ravaging the country’s fowl populations,

The Washington State Department of Agriculture and the Oregon Department of Agriculture are warning pet owners about the risks of raw pet food after indoor cats in Oregon became ill from bird flu this month.

Two cats that belonged to Michigan dairy workers exposed to bird flu died after being infected with the virus last year