Here’s what to know about the dominant version of the virus that’s circulating now. By Dani Blum The flu constantly morphs and mutates. Often, it surprises researchers a little. This year, the virus ...

Flu season is among us, and a new strain has emerged as a major threat. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising global cases, including in the U.S ...

Flu season is among us, and a new strain has emerged as a major threat. Influenza A H3N2, or the subclade K variant, has been detected as the culprit in rising global cases, including in the U.S. In ...

A newer COVID variant called XFG is currently fueling cases of the virus across the country. Nicknamed “Stratus,” this variant first took hold over the summer and now makes up nearly 70% of COVID-19 ...

The Stratus variant is fueling COVID-19 cases around the country. Symptoms of the virus look slightly different right now. Here, doctors share what to look out for and how to protect yourself from the ...

SEATTLE — Public Health – Seattle & King County has reported a measles case involving an out-of-state traveler who passed through Seattle-Tacoma International Airport (SEA) on Nov. 11 and Nov. 17. The ...

CENTRAL VALLEY, Calif. (KFSN) -- The holidays and flu season are upon us, and medical professionals are warning people of a new version of the virus. "Subclade K is a variant of the common flu strain ...

The subclade K flu strain is a variant of the H3N2 virus. A new influenza strain this flu season is raising concerns as Americans hit the roads and take to the skies ahead of the Thanksgiving holiday, ...

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 influenza ...

Flu season isn't in full swing yet in the United States, but a mutated strain of the virus that has caused severe outbreaks abroad is sparking concern about the winter ahead. A new version of ...