For the week ending Aug. 2, 6.4% of COVID-19 tests came back positive in Wisconsin, state Department of Health Services data ...

Twelve states are seeing higher positivity rates for COVID-19 tests compared to the rest of the country, according to new ...

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

WHO is monitoring the fast-spreading XFG "Stratus" COVID variant, now the third-most common US strain, as it spreads into ...

A new COVID-19 variant, Stratus (XFG), has been detected in Arizona and is spreading globally. Stratus is a descendant of the ...

The CDC has moved to using longer data timeframes for COVID tracking due to low reporting from states. According to the ...

After its January debut, XFG climbed to number three on the CDC COVID variant list by late June, accounting for an estimated ...

Variant XFG, also known as “Stratus,” was first detected in Southeast Asia back in January but accounted for very few of ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab studies using human cells and a "pseudovirus" stand-in for XFG, as well as ...

Stratus' is the new COVID variant growing in the U.S. and the rest of the world. However, COVID-19 cases are down in ...

XFG or Stratus is currently the most prevalent COVID-19 subvariant in the Bay Area at 54%, according to WastewaterSCAN. (Unfortunately, you won’t be able to use the Centers for Disease Control and ...

Variant XFG, colloquially known as "Stratus," was first detected in Southeast Asia in January but accounted for less than ...