What COVID-19 experts know about new Omicron BA.2 subvariant
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3 February 2022What COVID-19 experts know about new Omicron BA.2 subvariant
The highly transmissible Omicron variant now accounts for almost all COVID-19 cases around the world, but a subvariant―Omicron BA.2―has emerged that appears to be even more contagious. Cases of Omicron BA.2 are limited in the U.S., but COVID-19 experts at Mayo Clinic say the number is growing, especially overseas.
