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

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

Have you been sick since the new year started? You're not alone; here's what to know about new H3N2 flu strain and its ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...

At least 11 million people have gotten sick, and 5,000 people have died from the flu this season, including nine children.

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus, the U.S. Centers for Disease Control and Prevention (CDC) announced last ...

BENGALURU: With the rise in viral infection cases, the Indian Council for Medical Research (ICMR) is conducting weekly ...

Please provide your email address to receive an email when new articles are posted on . Since May 2023, a combination of neuraminidase mutations has been detected in influenza A(H1N1)pdm09 viruses.

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.

The virus that causes COVID-19 is accumulating genetic mutations, one of which may have made it more contagious. The number of virus strains present in each zip code in Houston during the second wave ...