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 Michigan.

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

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

U.S. flu infections still are surging, and health officials say it's a severe season that's likely to get worse.

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

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

The last available tracing data from the CDC found that 91% of the 600 U.S. flu cases that were tested between Dec. 22 and 28 ...

Learn about a new simulation that shows human-to-human transmission of H5N1 will become uncontainable if we miss the narrow window.

The new variant of Influenza A, or H3N2, has been given the nickname 'super flu.' The fast-spreading virus has caused ...

Even as the bird flu virus H5N1 is evolving rapidly, with the potential to become a significant threat to human health, a team of Indian researchers using an Artificial Intelligence (AI)-based model h ...

Scientists have warned H5N1 bird flu could make a dangerous leap to humans, triggering a global health crisis.