The Whitehall Ledger - Serving Southern Jefferson County in the Great State of Montana

Articles written by Matthew Herper

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 By Matthew Herper    News    March 31, 2021

AstraZeneca: Efficacy of its COVID-19 Vaccine

Rejecting sharp criticism from U.S. government scientists, AstraZeneca said March 24th that its Covid-19 vaccine was 76% effective at reducing the risk of symptomatic Covid-19, and 100% effective against severe disease, in a new analysis of its large...

 

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