New Mexico, Texas, Nebraska, Tennessee and South Carolina are among the states with the highest number of influenza-like illness (ILI) symptoms, a new map shows ... most severe flu season in ...

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

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

(NEXSTAR) – 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 ...

More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the ...