The CDC estimated there have been at least 7.5 million illnesses in the U.S., 81,000 hospitalizations and 3,100 deaths from ...

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 ...

Four theories could explain the variants' ability to jump from person to person. In recent months, new variants of the virus that causes COVID-19 have been popping up all over the world, and experts ...

SAN FRANCISCO (KGO) -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may ...

A late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

Have you ever wondered why you have to get a flu shot every year, but some vaccines are one-and-done? It all has to do with how and how fast viruses evolve - and that depends on mutation rates.

Influenza cases are down across the United States, but a new flu strain mutation identified in August is causing a spike in ...

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 ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...