Arizona health officials are warning flu cases could rise sharply as people return home from holiday travel. A new flu ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine ...

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated ...

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 ...

Soap and regular disinfectants are incapable of killing the Adenovirus, which is highly contagious and can spread through ...

Any time a person catches H5N1, or bird flu, their infection is a chance for the virus to mutate in the wrong direction. When someone dies from the bird flu—as an elderly Louisiana man did on Jan. 6, ...

MEMPHIS, Tenn. - Just how deadly is the bird flu? The virus, which is currently sweeping through U.S. dairy herds, rarely jumps to human beings. But when it does, the consequences can be lethal. A ...

Scientists have discovered that a rapidly-mutating, species-jumping virus is contributing to mass honeybee deaths that are threatening the U.S.'s multi-billion-dollar agricultural industry, honey ...

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 ...

BEIJING, April 22 -- Chinese scientists have deciphered the genetic code of a number of samples of the SARS virus and say their research could provide important clues as to whether the microbe will ...

LONDON, Nov 25 (Reuters) - The COVID-19-causing coronavirus is mutating as it spreads around the world in the pandemic, but none of the mutations currently documented appears to be making it able to ...