Omicron BA.2 overall makes up more than 90% of COVID variants in U.S. - CDC

The BA.2 sub-variant of Omicron and its sublineage BA.2.12.1 is estimated to make up more than 90% of the coronavirus variants in the United States as of April 16, the U.S. Centers for Disease Control and Prevention (CDC) said on Tuesday. Overall cases have dropped sharply nationally since hitting record levels in January, but COVID-19 infections have been on the rise during the last few weeks, particularly in Northeast states like New York, and Connecticut. A resurgence in COVID-19 cases in parts of Asia and Europe has raised concerns that another wave could follow in the U.S, as has been the case with previous surges during the pandemic