Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

Add Yahoo as a preferred source to see more of our stories on Google. Winter is here and so is peak flu season. Historically, flu season outbreaks are the worst between December and February, and this ...

It’s no secret that this year’s flu season has been rough. To date in the U.S., there have been 20 million illnesses, 270,000 hospitalizations, and 11,000 deaths from the flu so far this season, ...