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

A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

Flu activity could continue to increase in the U.S. over the next few weeks, according to a top flu epidemiologist at the CDC ...

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

The new, virulent flu strain has sent more than 100,000 to the hospital. Here's what to know, how to check infections rates ...

A fast-rising wave of influenza intensified during the week ending Saturday, Dec. 27, with the CDC’s latest FluView map ...

The CDC estimated there have been at least 7.5 million illnesses in the U.S., 81,000 hospitalizations and 3,100 deaths from ...

A mutation of influenza a called "Subclade K" is driving this "super flu" season, with Arizona cases surging by over 35% in ...

Health experts are urging vaccination as a winter flu surge claims lives across the country — including young children.

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

Whether it’s the flu, RSV, or even COVID, holiday travel and drastic changes in the temperature are adding to the reasons ...