Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to the CDC.

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

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

Innovative research into the gene-editing tool targets influenza’s ability to replicate—stopping it in its tracks.

It's the time of year many start thinking about throwing out Christmas trees and also strengthening their immunity. As flu cases surge across Maryland, Kent County health officials ...

If you’ve noticed a surge of sick colleagues and friends who seem to be afflicted by the flu, you’re not alone. On Instagram, the #fluseason hashtag has racked up more than 449k posts. At the same ...

As flu cases continue to rise, state and local public health officials are urging Californians to protect themselves. Flu ...

Temporal dynamics in divergence and adaptive fixation of the H5 AIV HA gene, in different host-specific lineages. Credit: Science Advances (2025). DOI: 10.1126/sciadv.ado9140 A team of virologists, ...

Across the United States, clinics and emergency rooms are again filling with people who have high fevers, hacking coughs, and ...

Each year, public health officials monitor the spread of influenza to identify which flu strains need to go into that year's vaccines and where outbreaks will occur. But it can be difficult to predict ...