A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is currently the dominant variant in the U.S. The new variant is said to ...

The Stratus “razor blade” variant is driving up COVID-19 cases in much of the country, according to new government estimates.

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.

What are the symptoms of Nimbus? Reported symptoms of NB.1.8.1 are similar to other COVID-19 strains, but one distinctive complaint is a severe sore throat, sometimes described as “razor-blade ...

Intense throat pain is a key symptom of COVID-19 variant NB.1.8.1, referred to as "razor blade throat." Here's what to know.

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 ...

What are the symptoms of Nimbus? Reported symptoms of NB.1.8.1 are similar to other COVID-19 strains, but one distinctive complaint is a severe sore throat, sometimes described as “razor-blade ...

Updated: Jun 18, 2025 / 02:10 PM EDT (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.