A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

SAN FRANCISCO (KGO) -- On Dec. 31, UCSF'S Dr. Charles Chiu and his colleagues were in a lab when they found what they are calling"L-452R," a California variant of COVID-19. "We actually discovered ...

It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

COMPANY PROMOTED AND MONITORED OPIOIDS. RIGHT NOW, AT 446 IN THE AFTERNOON, WE TURN OUR ATTENTION TO FIVE ON YOUR HEALTH, AND THERE IS A NEW VARIANT OF THE FLU VIRUS THAT’S CREATING AN EARLY SURGE OF ...

After a sharp uptick in flu cases in mid-December 2025, flu activity across the U.S. and Canada remains high.

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in a waning of natural immunity.