The wave-shaped chart Ratul Chowdhury pulls up on a computer monitor in his office captures the evolutionary cat-and-mouse ...

Everything you need to know about the flu vaccine, including the nasal spray, egg-free options, who it’s free for and what to ...

The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.

Doctors recommend getting your flu shot annually, since the specific influenza strain it targets varies from year to year.

From 1976: At least 15 people had died of a flu outbreak in Spokane County, adding to fears that a “swine flu” epidemic had reached Spokane. “The grim statistics, which follow an influenza epidemic, ...

At least 14 states and Washington, DC, are reporting high or very high flu activity. The dominant flu strain, a version of influenza A (H3N2) called subclade K, has multiple mutations that make it ...

A study reveals how childhood flu infections impact long-term mortality risk, highlighting implications for vaccination and ...

It may be spring, but virus season isn’t over yet. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. Flu and Covid, including a new variant called BA ...

More than a week after a federal judge blocked Health and Human Services Secretary Robert F. Kennedy Jr.’s overhaul of both the nation’s childhood vaccine schedule and a key vaccine advisory committee ...

A single drug has been found to inhibit a range of common viruses in lab studies, including coronaviruses, respiratory syncytial virus (RSV), norovirus, and influenza and hepatitis viruses. It will be ...