- Why are there so many new Omicron sub-variants, like BA.4 and BA.5? Will I be reinfected? Is the virus mutating faster? ABC News
- More infectious Omicron subvariant BA.2.12.1 rapidly spreading across US New Atlas
- New subvariant spreading rapidly in US - Times of India Times of India
- New MUSC COVID data show rise of BA.2 subvariant and its offshoot, BA.2.12.1 Medical University of South Carolina
- New BA.2 COVID Subvariant Taking Hold in United States U.S. News & World Report
- View Full coverage on Google News
Why are there so many new Omicron sub-variants, like BA.4 and BA.5? Will I be reinfected? Is the virus mutating faster? – ABC News
ByGoogle News
May 6, 2022