The BA.2 mutation of the Omicron variant of COVID-19 now accounts for nearly a quarter of new infections of this disease in the United States, according to the latest data from the United States Centers for Disease Control and Prevention (CDC).
This figure marks an increase from the previous week.
The BA.2 variant is spreading rapidly in the United States, and infections are increasing nearly twofold each week, according to CDC data.
Early studies showed that the BA.2 mutation might be more contagious than the original Omicron variant by up to +30%.
