New Pfizer data shows promise for preventing infections with no symptoms

Published March 11, 2021 3:25pm ET



New data on the Pfizer-BioNTech coronavirus vaccine, gathered by Israel’s Ministry of Health, revealed promising signs in preventing the transmission of COVID-19 without symptoms.

The latest analysis, published on Thursday, found that after two weeks from receiving the second dose of the vaccine, it is 97% effective in preventing symptomatic COVID-19 cases and is 94% effective against infection without symptoms.

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