It's the worst flu season in 15 years. Can you do anything not to catch it?
One in every three flu tests came back positive last week, according to the Centers for Disease Control and Prevention.
Flu season in the US is the most intense it’s been in at least 15 years
NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.