A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine ...

A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S.

Flu season intensifies as the new H3N2 variant causes severe illness worldwide. Experts urge vaccination, hand-washing and ...

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

The variant emerged after the 2025-2026 flu vaccine was developed, meaning the current vaccine does not target this specific ...

The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...

COVID cases are on the rise again. The season for flu, RSV, cold and COVID cases is well underway and, according to the Centers for Disease Control, the rates of infection have been on a steady ...

XFG has originated from LF.7 and LP.8.1.2 covid variants The new Covid-19 variant, known as XFG and nicknamed Stratus, is spreading rapidly across the globe. According to the World Health Organisation ...

A more contagious variant of the coronavirus, known as delta, is spreading in the United States and around the world, causing a surge of cases in some countries and prompting several nations to ...