Add Yahoo as a preferred source to see more of our stories on Google. It's flu season in Massachusetts, and most sick Bay Staters are coming down with Influenza Type A, according to recent health data ...

Flu season is starting to tick up in the U.S. And, looking at clues from other countries, we may be in for a rough winter. But not all influenza is the same. And there are some notable differences ...

Having the flu is a lousy experience, regardless of the type you have. While news of a rough flu season ahead (spurred by subclade K) continues to make headlines, there are two main types of flu, A ...