While flu levels are still low, a strain that has wreaked havoc in the U.K. and Canada is behind most cases so far in the U.S ...

U.S. flu rates remain low, but experts are keeping an eye on a new strain that’s been linked to unexpectedly early and severe ...

A new strain of influenza A, called H3N2, has caused a spike in infections in other countries, including areas of the ...

Flu season is here with a mutated H3N2 strain causing concern. Health experts urge vaccination as holiday gatherings approach ...

There are reports of this strain of the flu causing more severe illness, and early data suggest that protection against the ...

In a typical year, several thousand samples from flu patients around the world arrive at the U.S. Centers for Disease Control and Prevention. They're crucial for understanding the virus's evolution ...

The 2024-2025 influenza season saw a historic rise in pediatric influenza-associated encephalopathy (IAE) cases, with 109 reported, including 37 acute necrotizing encephalopathy (ANE) cases. The CDC ...

The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s. But some health experts are ...