The Omicron subvariant BA.2 now accounts for 'around 30 percent' of New York City's cases, officials say.

The subvariant is more transmissible than BA.1, the Omicron version that drove a sudden spike in cases and hospitalizations in New York last December and disrupted the city's path to economic recovery. Dr. Ashwin ...

source https://www.nytimes.com/2022/03/19/nyregion/nyc-omicron-ba2.html