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

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

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 new flu strain is spreading rapidly across the U.S., driving a surge in cases and hospitalizations.

The flu is spreading rapidly across the country, including in Northeast Ohio. Health officials warn that a new strain of ...

H3N2 subclade K strain — is responsible for 90% of influenza A cases across the U.S., which has led to double the cases in ...

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

Getting your Trinity Audio player ready... Flu cases in Boston and across Massachusetts continue to ratchet up, due in part to a new variant, as public health officials remind everyone that it's not ...

Hospitals in the Bay Area are reporting more "influenza-like illness," pointing to a mutation in the strain. Medical experts ...

Much of the concern this flu season is coming from the spread of subclade K, a subtype of influenza A. Similar subtypes have ...

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 ...