Authorities at the CDC are now calling this year’s flu season “moderately severe,” with an estimated 11 million illnesses in ...

Flu activity is continuing to climb across the U.S. as hospitalizations rise, updated data from the CDC shows.

About 5,000 people have died of the flu so far this season, including 9 children, as the Trump administration pulls back on advice to get kids vaccinated.

Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

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

The H3N2 is a new strain of influenza A. The symptoms are described as more intense and contagious than typical seasonal flu.

Seasonal influenza activity remained elevated and rose in the final week of December, U.S. Centers for Disease Control and ...

Illinois officials announced the first influenza death in a child this season. The influenza activity in the state has moved ...

Flu-like illness was responsible for 11.3% of outpatient visits, surpassing the national average and indicating an increasing ...

Illinois health officials say a child has died from the flu as the state is seeing a "winter surge" of respiratory illnesses.

Four children have died from the flu in Massachusetts so far this season, public health officials say. The deaths occurred in ...