Blair County has reported its first case of bird flu in wild birds. These are the first confirmed cases reported in the ...

A new Centers for Disease Control and Prevention study suggests that bird flu may be spreading under the radar in the U.S. In ...

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...

A study released Feb. 13 by the Centers for Disease Control and Prevention suggests that some H5 bird flu infections in humans and animals may be going undetected.

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...

Avian influenza can be highly severe and can kill poultry such as chickens. (Charlie Neibergall/The Associated Press)Avian ...

Two suspected case of highly pathogenic avian influenza have been detected in backyard poultry flocks in Central Newfoundland. Local animal health officials have notified the Canadian Food Inspection ...

Avian influenza has been identified in dead wildlife in, Vaughan, Newmarket and Stouffville in recent weeks, a Canada-wide research group reports.

The strain has also infected dairy cows in more than a dozen states. Human cases of bird flu are rare, but they have happened. According to the most recent data from the Centers for Disease ...

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...

As cases of seasonal influenza surge, health officials are closely monitoring a growing threat—the potential fusion of human and bird flu strains.

The United States' pause on foreign aid contributions is having a serious impact on global health, hitting programs fighting polio, HIV and other threats, World Health Organization Director-General ...