Omicron Was More Severe for Unvaccinated Children in 5-to-11 Age Group, Study Shows
Black children who had not been immunized made up about a third of those hospitalized during the winter surge.
Tag: Centers for Disease Control and Prevention
Four Americans Were Infected With a Virus Variant Seen in Mink
The cluster is the first known instance of likely animal-to-human transmission in the United States.