BA.2 A Sub Variant of Omicron Is Raising In US, UK And Other Countries, But Experts Remain Optimistic
According to Center of Disease Control US, the BA.2 sub variant of the Omicron now makes up a quarter of Covid-19 infections in US. In US alone since January 2022, Omicron has made up all new infections and most cases caused by sub-variant of Omicron called BA.1.
