Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in ...

In 2009, H1N1 bird flu caused the first global flu pandemic in 40 years, with the first infections detected in California.

H5N1 bird flu raises alarm as human cases emerge in California and Oregon. Discover the implications and ongoing health ...

This marks the state’s first human case of bird flu. The Oregon Health Authority said the case is linked to an outbreak in chickens at a commercial egg farm in Clackamas County last month.

The first report of a H5N1 infection in a pig on a backyard farm in Oregon was confirmed by the Centers for Disease Control ...

Although the swine did not display signs of illness, the Oregon Department of Health and USDA tested the five swine for H5N1 ...

Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

Oregon health officials confirmed on Friday that an Oregon resident had tested positive for H5N1, an avian influenza strain that’s spread rapidly among bird flocks. This marks the state’s ...

Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in Oregon. (Charlie Neibergall / Associated Press) As H5N1 bird flu spreads ...