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

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

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 ...

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

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.

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 ...

COVID 'Nimbus' variant is infectious and spreading fast Symptoms can include fever, shortness of breath, and 'razor blade' sore throat ... Updated: 4:08 PM MDT Jul 1, 2025 Editorial Standards ⓘ ...

An extremely painful sore throat, often now referred to as “razor blade throat”, is just one of the several symptoms of a new COVID-19 variant that is gaining ground in ...

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.