Most people who are allergic to cats aren’t reacting to the fur—they’re reacting to a protein in cat saliva called Fel d 1.

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.

Two "exclusively indoor" cats from two separate households in Michigan caught H5N1 bird flu and ultimately died, according to a new report. The cases raise the possibility that people in the cats ...

In a Policy Forum, Erin Sorrell and colleagues – a coalition of virologists, veterinarians, and health security experts – ...