Infectious diseases are becoming more frequent, more severe, and harder to control in our closely connected world. Viruses ...

A red fox in Loudoun County has tested positive for a highly contagious category of bird flu—the first mammal case reported ...

The Shapiro administration says Pennsylvania has enough in reserves to address avian influenza, but Republican lawmakers aren ...

A highly pathogenic version of avian influenza virus, commonly referred to as bird flu, was detected in wild birds in the ...

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It's a sign that ...

H5N1 avian influenza struck more than 400,000 birds in Missouri, making it the second-highest state for affected flocks at ...

A scoping review outlines how H5N1 bird flu is spreading in the U.S., jumping from birds to mammals and cattle, and ...

A Sheboygan County poultry flock is under quarantine after a case of the highly contagious bird flu was confirmed in the ...

The Wisconsin Department of Agriculture, Trade and Consumer Protection said the virus has been on the rise in wild and domestic birds in North America since 2021.

Mexico has detected its first human case of H5N1 avian influenza, also known as bird flu, the health ministry said on Friday.

Health officials in Mexico say a 3-year-old girl from the western state of Durango is the country’s first confirmed human case of bird flu ...

A highly contagious avian influenza, H5N1, has been detected in a commercial poultry flock in Sheboygan County. Approximately 40,000 birds are affected and will be depopulated to prevent further ...