New COVID Variant NB.1.8.1 Spreads in US
A new COVID variant known as NB.1.8.1 has been detected in the United States, with 20 cases identified so far. The variant, first detected in China last January, now accounts for 10% of SARS-CoV-2 sequences globally, a significant increase from 2.5% four weeks ago. The Centers for Disease Control and Prevention (CDC) is monitoring the … Read more