BA.2 is the new COVID-19 variant on the block, a subvariant of Omicron. While we are still learning more, here’s some information about what we do know:
Early data shows that vaccines are just as effective against BA.2 as they were against other Omicron strains. That means that the COVID-19 vaccine is the most effective protection against infection and severe illness.
To see estimated variant proportions in the U.S., visit https://covid.cdc.gov/covid-data-tracker/#variant-proportions
For more information on this and other COVID-19 variants: