Real-world trial of Pfizer COVID vaccine finds high 2-dose, good 1-dose protection

Woman getting COVID-19 vaccine
Feb 24, 2021

Two doses were 92% effective in preventing infection, but 1 dose was 74% effective against COVID-related hospitalization and 72% effective at preventing death.

Mary Van Beusekom | News Writer | CIDRAP News

Feb 24, 2021
Two doses were 92% effective in preventing infection, but 1 dose was 74% effective against COVID-related hospitalization and 72% effective at preventing death.Read More

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