The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

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 ...

Oregon has landed itself in the CDC’s worst tier for flu activity, as have six other states. Arkansas, Kansas, Louisiana, ...

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 ...

As one variant of the flu virus starts to decline, another is rising to take its place.

February is often peak flu season.

Erie County's flu cases rose unexpectedly last week with a surge in type B.

We’re finally making progress toward a universal flu vaccine.