Chances are you’ve either had the flu recently or know someone who has. Health officials say the U.S. is in the thick of flu ...

With flu cases surging in Illinois, mitigating spread is increasingly important. But how long are you actually contagious ...

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many ...

Influenza is sickening thousands of people in New Jersey and shows no signs of slowing down, according to state data released ...

U.S. flu infections are still surging, and health officials are calling it a severe season that is likely to get worse.

Subclade K has become the dominant form of flu and is slightly different from the virus targeted by this year’s flu vaccine.

It’s too early to have data on how long most people are sick with subclade K, but Dr. Schaffner says he’s heard anecdotes of ...

As the U.S. reaches peak flu season, the Bay Area is dealing with the second highest level of flu cases in the state.

Weight loss injection users may wish to delay doses if flu makes eating difficult, pharmacist says, but should consult their ...

As influenza cases surge in the Midlands, doctors suggest getting a flu shot, staying home and washing your hands. Prisma ...

California reports high flu activity amid rising cases and a new strain. Experts urge vaccination as early warning signs ...

Flu cases are surging in some states, including New Mexico, Colorado and Texas. Here's what to know about flu in Arizona.