Estudo de caso-controle | Estimativa da efetividade das vacinas CoronaVac e BNT162b2 em pacientes com a variante Ômicron do SARS-CoV-2
7 Fev, 2023 | 17:46h
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The CoronaVac and BNT162b2 (Pfizer) vaccines were effective against severe outcomes due to Omicron (74-77%), but protection among older individuals in Hong Kong was more likely to wane 6 months after the second dose; boosters can bring effectiveness >90%. https://t.co/kqgwryJ1kT
— JAMA Network Open (@JAMANetworkOpen) February 3, 2023