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. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

The experts call for a layered approach to infection control, combining vaccination, isolation, ventilation, masks, and hygiene. "There are important differences in who and how flu hits," said ...

Activity during the current flu season is growing to severe levels, with the percentage of doctors’ visits for flu-like illnesses reaching the highest level on record, according to the most recent ...