Cases of H5N1 have been climbing nationally, with one West Coast state seeing a rapid increase since the start of October.

H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, ...

Bird flu has been detected in a U.S. pig for the first time, raising concerns among healthcare experts about avian influenza’s potential to cross species boundaries and impact human health.

It’s believed that the disease spread because the livestock and poultry shared the same water supply, housing and equipment.

Bird flu was detected in a small backyard flock in Lewis County, Wash., the third case of avian influenza in domestic birds ...