A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

That's because the variant — NB.1.8.1. or “Nimbus” — may cause painful sore throats. The symptom has been identified by doctors in the United Kingdom, India and elsewhere, according to ...

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 ...

A new COVID-19 variant, NB.1.8.1 or "Nimbus," is spreading globally, causing painful sore throats, dubbed "razor blade throat." Primarily affecting the eastern Mediterranean, Southeast Asia, and ...

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you have a severe sore throat, it's important to rule out strep throat to ...

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 ...

Genetic variant tied to doubled dementia risk for older men Researchers looked at a gene that is critical to regulating the body’s iron levels. June 15, 2025 2 min Summary ...

How to protect your kid from new COVID The World Health Organization states that currently approved COVID-19 vaccines are expected to remain effective against the NB.1.8.1 variant. The Centers for ...