Here's what Dr. Anthony Fauci has to say about the potential threat from the omicron BA.2 subvariant.
from Denmark's Statens Serum Institut in Copenhagen. Public health authorities in the U.K. have come to the same conclusions on hospitalization and reinfection. Neither study has been peer reviewed yet.
There's also no significant difference in the duration of protection that Pfizer's and Moderna's shots provide against mild illness from BA.2 compared with BA.1,that is also not peer reviewed. The vaccines are 50% effective at preventing mild illness from both omicron variants three months after the second dose, but protection is negligible after that time.
The Biden administration is relying on a strategy of vaccination, testing, and treatment with antiviral pills to prevent the virus from disrupting daily life. About 75% of adults in the U.S. are fully vaccinated, according to CDC data.
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