The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

Hundreds of red-breasted mergansers have been affected by a bird flu outbreak on Chicago's Lake Michigan shoreline, raising ...

Hundreds of red-breasted mergansers have been found either dead or sick over the past few days along Lake Michigan in Chicago ...

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across ...

As a bird flu outbreak escalates across the United States., the Trump administration has paused the release of key public ...

The following 14 states, along with New York City, are now at the CDC’s highest tier of influenza activity: Alabama, Georgia, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi ...

The following 14 states, along with New York City, are now at the CDC’s highest tier of influenza activity: Alabama, Georgia, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...