detail: According to the CDC, BA.2 variants currently account for 54.9% of all new COVID-19 infections in the United States.
Overall picture: The BA.2 subvariant is currently the predominant COVID-19 strain worldwide. Reuters..
- This variant has recently caused cases in Asia and Europe.
- BA.2 is believed to be more contagious compared to other coronavirus variants, including its cousin Omicron variant.
Conclusion: “Like other variants of the Omicron family, the vaccine is less effective against BA.2 than previous variants such as Alpha and the original coronavirus strain, and its defenses diminish over time. . ” Reuters..
https://www./coronavirus/2022/3/29/23001428/omicron-subvariant-ba2-dominant-strain-covid-19 Omicron BA.2 variant is currently the dominant strain of COVID