Tennessee is among the top states seeing a spike in flu cases, ranking fourth in the nation, according to new data from ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

N ow that bird flu has been detected in animals in all 50 states, and nearly 70 cases have been confirmed in people, health ...

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 ...

Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

So some flu experts are anxiously tracking changes that could make the virus airborne, drifting in tiny droplets through hospitals, restaurants and other shared spaces, where its next victims ...