A flu strain that emerged over the summer is causing "unprecedented" outbreaks in Japan, as well as in Canada and the U.K.

A new influenza A strain subclade K is circulating due to H3N2 picking up 7 mutations this Summer. Will this lead to a worse ...

Earlier this month, a group of Canadian researchers published early influenza data for the 2025-26 season, issuing a warning: ...

There's been a significant slowdown in influenza and COVID samples sent to CDC from other countries, which could impair pandemic preparedness and vaccine development ...

Sometimes a strain develops that, while not entirely new, is new enough to spread more efficiently because it is not well ...

While flu shot campaigns and initiatives start around the end of the summer, the peak season for flu is still weeks away.

Dr. William Schaffner, an infectious disease professor at Vanderbilt University School of Medicine in Nashville, Tennessee, told Newsweek in an email on Saturday, “Infection with a H5N5 bird flu virus ...

A Washington resident has been hospitalized with bird flu, according to the Washington State Health Department, and they’re ...

Health experts in Oklahoma urge residents to stay current on flu, COVID-19 and RSV vaccines as fall viruses climb, citing ...

A Washington state resident has tested positive for bird flu, marking the first human case in the U.S. in nine months, and ...