An unexpected mutation of the influenza virus is driving up case counts abroad, and experts are concerned it could pose ...

The influenza vaccine shows the immune system what potential components of the virus it should focus its efforts on,” one ...

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

The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...

Bird flu hasn’t gone anywhere, and it’s still sickening Americans. Health officials in Washington have confirmed that a ...

Massachusetts could be headed for a sharp uptick in flu cases in the coming weeks, public health experts warn, as a newly ...

Covid or flu? The different symptoms you need to know as cases rise - As the Stratus variant causes Covid cases to soar, it ...

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

We're almost in the peak of flu season, with the CDC's recent report saying activity is "low but rising." Here's what ...

This year's flu shot may not be an exact match for circulating strains, but public health experts say to get vaccinated ...

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