NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

COVID variant, NB.1.8.1, nicknamed Nimbus, now accounts for more than a third of COVID cases in the U.S., according to estimates from the Centers for Disease Control and Prevention. The new COVID ...

Known scientifically as NB.1.8.1, the variant is currently being monitored by the World Health Organization (WHO) and was ...