Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Flu is rising rapidly across the U.S., driven by a new variant of the virus. The Centers for Disease Control and Prevention ...

A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

Much of the country is facing record flu cases thanks to a new strain of the virus. And the "subclade K" variant is likely ...

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

One reason for a spike just after the holidays is believed to be due to a strain of the flu that's being called "super flu." ...

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in ...

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

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

A variant strain of the coronavirus, one that was first discovered in the United Kingdom, is now the dominant strain of the virus circulating throughout the United States, CDC Director Rochelle ...