According to a new research, the BA.2 subvariant of the Omicron COVID variant is not only more transmissible than BA.1, but also more capable of infecting vaccinated persons, including those who have received booster doses. The BA.1 subvariant accounts for more than 98 percent of Omicron cases worldwide, although in many countries, its close relative BA.2 is dethroning the original strain.
The study was conducted by researchers at Statens Serum Institut (SSI), Copenhagen University, Statistics Denmark and Technical University of Denmark. However, it is yet to be peer-reviewed.