A new COVID-19 strain has been reported in dozens of countries, including the U.S. Here's what you should know about it.

The new variant of Covid, NB.1.8.1, which has lost its potential to cause severe infection, since May 2023 is considered a ...

according to Delaware Health and Human Services — even as a new variant, COVID NB 1.8.1, sweeps through much of the country. And with only 14.9% of Delawareans vaccinated with an updated dose ...