XFG causes a severe sore throat and hoarseness, hence the “razor blade COVID” nickname. Symptoms common to other variants ...

A new COVID-19 variant, called NB.1.8.1, might be behind nearly a third of new cases, according to health officials. This variant, which some people are calling “Nimbus,” is getting attention ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.

COVID-19 cases are rising across the United States, driven by new variants Stratus (XFG) and Nimbus (NB.1.8.1). While Stratus ...

CDC tracks rising COVID cases in 45 states; NB.1.8.1 “Nimbus” leads U.S. infections while severe illness remains low.

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID. That's because the variant — NB.1.8.1. or ...

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID. That's because the variant — NB.1.8.1. or “Nimbus” — ...

Updated: Jun 18, 2025 / 02:12 PM CDT (AP) — The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID.

Other COVID-19 symptoms of any variant include fever, chills, cough, shortness of breath or loss of taste or smell. Experts say there isn’t major cause for concern with the Nimbus variant, but ...