A late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...

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

Groundbreaking flu transmission study reveals zero infections despite close contact between healthy volunteers and ...

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

Even without a perfect match, public health experts say the flu vaccine offers important protection against serious ...

While vaccines may not fully protect everyone, public health experts say they’re still proven to help prevent serious illness ...

Australia’s 2025 flu season lasted weeks longer than it normally does. Hong Kong’s hit so early that the rollout of seasonal ...

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

You probably know someone who’s gotten sick since the holiday season in December. Flu in North Carolina is widespread right ...

Statewide the rate is 24.7%, which is down 5.2% from last year. The Benton Franklin Health District and Washington state ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...