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 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 ...

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 ...

NB.1.8.1 is a descendant of the Omicron family. Like other Omicron sub-variants, NB.1.8.1 appears to be highly transmissible. Varsha Vats Health Jun 06, 2025 18:30 pm IST Read Time: 3 mins ...

COVID-19 resurges: Are the XFG, NB.1.8.1, and LF.7 variants more transmissible - early symptoms and severity TOI Lifestyle Desk / etimes.in / Updated: May 28, 2025, 11:18 IST ...

Closer home, the country has been seeing a rise in variant NB.1.8.1 and LF.7 variants, detected recently in different parts of the country.

Symptoms appear to be similar to other COVID variants, the WHO says. Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world ...

New variants, LF.7 and NB.1.8.1 are descendants of the JN.1 variant that are circulating rapidly. "There's no need to panic, but exercising caution is essential.

CoVFit can predict the epidemic potential—i.e., the fitness—of SARS-CoV-2 variants based solely on their spike protein sequences. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025 ...

For the two-week period starting on May 26 and ending on June 8, the government agency data shows that KP.3 accounts for 25% of COVID cases in the U.S. and is now the dominant variant.

COVID-19 variant trackers are now closely watching the rise of a new virus variant called XEC, which has been spotted around the world and in half of states across the United States.