A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists ...

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

Researchers found first strain of henipavirus in North America. What you need to know about new virus in wild animals that ...

Researchers found first henipavirus strain in North America. What you need to know about new virus in wild animals living in ...

Over a dozen ducks and wild birds at the Queens and Bronx zoos have died, likely all due to the avian flu sweeping the ...

The nationwide bird flu outbreak has hit two New York City zoos amid growing concern about the virus dangers and a sharp rise ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The U.S. winter virus season is in full force, and by one measure is the most intense in about 15 years. One indicator of flu ...

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number ...

The Centers for Disease Control and Prevention lists Illinois in the high category for flu cases, and across the Chicago area ...