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.

Indiana flu activity reaches 'very high' rates with visits to emergency rooms, urgent care centers and primary care offices ...

The flu has claimed the life of a child in Tennessee. It’s the first pediatric flu-related death in the state so far this ...

The flu vaccine is developed using data monitored from around the world to predict what the most common strain will be. The ...

Egg prices in the U.S. have surged due to ongoing bird flu outbreaks, which have led to the culling of over 21 million egg-laying birds across multiple states.

Schools in at least two states canceled classes at the start of this week amid a surge in influenza cases nationwide.

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

Maps of bird flu cases show the spread of the virus across the United States. Most people infected with bird flu in the U.S. have had mild symptoms. Symptoms of H5N1 birth flu infection in humans ...

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 ...