COVID Variant NB.1.8.1 Detected Across U.S. Airports: What You Should Know About the Possible Summer Surge
A new COVID-19 variant, NB.1.8.1, has popped up in several U.S. states, sparking concerns about a possible summer rise in cases. It spreads faster but hasn't shown to be more severe. Health officials stress that vaccines still work well. U.S. authorities continue to track the situation.