The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

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

The following 14 states, along with New York City, are now at the CDC's highest tier of influenza activity: Alabama, Georgia, ...

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

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

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

A large outbreak of tuberculosis has been reported in Kansas; is tuberculosis a public health concern in Louisiana? Find out ...

Flu activity remains high in most parts of the United States as a winter wave of respiratory illness sweeps across the ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

Bird flu has sickened several dozen people around the U.S. and left one person dead while egg price hikes and shortages have ...

U.S. public health officials have been told to stop working with the World Health Organization, effective immediately.