Vaccines protect against infection from Omicron subvariant — but not for long - Nature.com

Two doses of COVID vaccine cut the risk of infection and mild illness from the rising BA.2 subvariant, although protection wanes quickly.

Two doses of an mRNA vaccine such as that made by PfizerBioNTech provide similar protection against two subvariants of SARS-CoV-2.Credit: Allen J. Schaben/Los Angeles Times via Getty The Omicron sub… [+3845 chars]

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