Effectiveness of two COVID-19 vaccines (viral vector and inactivated viral vaccine) against SARS-CoV-2 infection in a cohort of healthcare workers.
Alexandre Rodrigues MarraJoão Luiz MiragliaDaniel Tavares MalheirosYang GuozhangVanessa Damazio TeichElivane da Silva VictorJoão Renato Rebello PinhoAdriana CyprianoLaura Wanderly VieiraMiria PolonioRafael Herrera OrnelasSolange Miranda de OliveiraFlavio Araujo Borges JuniorAudrey Rie Ogawa ShibataGuilherme de Paula Pinto SchettinoKetti Gleyzer de OliveiraRúbia Anita Ferraz SantanaFernanda de Mello MaltaDeyvid AmgartenAna Laura BoechatNoelly Maria Zimpel TrecentiTakaaki KobayashiJorge L SalinasMichael B EdmondLuiz Vicente RizzoPublished in: Infection control and hospital epidemiology (2022)
While both COVID-19 vaccines (viral vector and inactivated virus) can significantly prevent COVID-19 infection among HCWs, CoronaVac was much less effective. The COVID-19 vaccines were also effective even against a dominant Gamma variant.