The rise of the more infectious BA.2 variant in the U.S. plus signals in the sewage also point to a possible uptick in cases, and have health officials on alert.
The rise of the more infectious BA.2 variant in the U.S. plus signals in the sewage also point to a possible uptick in cases, and have health officials on alert.
Scarcely two months after the omicron variant drove coronavirus case numbers to frightening heights in the United States, scientists and health officials are bracing for another.
The rise of the more infectious BA.2 variant in the U.S. plus signals in the sewage also point to a possible uptick in cases, and have health officials on alert.
Some states in the U S are closing virus testing sites despite fears of a new surge nytimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nytimes.com Daily Mail and Mail on Sunday newspapers.