A new COVID variant, known as NB.1.8.1, has made landfall in the United States, and it's more transmissible than other variants.

A new Covid variant that’s gaining momentum globally has landed in the U.S. The World Health Organization announced last week that it was monitoring the variant, NB.1.8.1, following a rise in ...

Infants, toddlers and preschoolers exhibit symptoms of long COVID, but the symptoms can be different and more difficult to identify in these children, according to Rutgers Health research.