Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.

Many people across cultures grow up hearing that cold weather makes you sick. Going outside without a coat, breathing in cold ...

A surprising flu experiment shows that good airflow and fewer coughs can stop the virus from spreading, even up close.

NEW YORK — Close gatherings over the Thanksgiving holiday could cause an uptick in emergency room visits in New York due to a trio of respiratory illnesses that typically rise this time of year, as ...

Amid a severe flu season, the CDC ends its universal flu shot recommendation for kids. Experts explain why this is dangerous ...

Flu specifically is in a very interesting year. Epidemiologists are concerned that this year is going to be worse than ...