Omicron Infection

Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021.

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Effectiveness of Bivalent Boosters against Severe Omicron Infection

Primary series and original booster provide protection against Omicron infection

Mucosal antibodies in the airways protect against omicron infection

Prior Omicron infection protects against BA.4 and BA.5 variants

Omicron Infection After Vaccination Produces More Antibodies Than Booster