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

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a ...

Flu cases are "very high" in Tennessee with outbreaks centered in the eastern part of the state, according to federal and ...

After reporting was delayed due to the holidays, new CDC data shows the flu is spreading, with 33,000 people hospitalized ...

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

Flu cases continue to climb nationwide, with the majority stemming from the new subclade K strain dubbed the "super flu." ...

But the most important difference between the two is that type A viruses can cause pandemics because of how often and quickly ...

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

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

The percentage of flu tests that were positive reached a high of 33.3 per cent for the week ending Dec. 27, Canada’s highest ...

But hundreds of thousands of people globally each year won’t survive their bouts with the flu, and millions more will suffer ...

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