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.

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

H5N1 bird flu viruses spilled from wild bird into cattle in the U.S. last year, infecting hundreds of animals in several states. At least 70 people in the U.S. have been sickened by bird flu ...