By Lauren Leatherby The most transmissible variant yet of the coronavirus is threatening a fresh wave of infections in the United States, even among those who have recovered from the virus fairly recently. The subvariant of Omicron known as BA.5 is now dominant,...
By Lauren Leatherby and Eleanor Lutz The extremely transmissible Omicron variant is spreading quickly across the United States, making up a vast majority of U.S. cases after becoming dominant in the week before Christmas. The Centers for Disease Control and Prevention...
By Lauren Leatherby, Charlie Smart and Amy Schoenfeld Walker The Omicron variant, which is now dominant in the United States and spreading faster than any variant yet, has already pushed daily coronavirus case counts higher than the peak of the...