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

South Korea said on Tuesday there had been an outbreak of African Swine Fever (ASF) at a pig farm in the country's largest pig-breeding region, prompting authorities to raise the national alert level ...

In 1918, a flu pandemic caused by a strain of H1N1 infected 500 million people worldwide. It was known as the Spanish flu, and at least 50 million people died.

H5N1 bird flu has been circulating in U.S. wildlife since late 2021 but has caused only one human fatality. Now a different ...

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 ...

The first person to contract H5N5 avian influenza, a rare strain of the disease known as bird flu, died in Washington state Friday. The state’s Department of Health said in a release the resident ...

A new strain of the flu called subclade K could make for a particularly nasty flu season across the country, according to public health experts.  The strain already caused Japan to declare an ...

The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the ...

What is the H3N2 flu strain? Symptoms you need to look out for as UK cases surge - Health bosses are warning this winter ...

But health experts are warning this winter could see the most severe flu outbreak in decades as a new strain threatens to ...

This winter’s flu season hit like a freight train, ripping through communities and claiming lives in ways that left everyone reeling. Stories like those of two young moms full of life one day, gone ...