AstraZeneca says U.S. trial data shows 79% efficacy against symptomatic COVID-19

AstraZeneca says U.S. trial data shows 79% efficacy against symptomatic COVID-19

CBC.ca

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AstraZeneca's COVID-19 vaccine provided strong protection against disease and complete protection against hospitalization and death across all age groups in a late-stage U.S. study, the company announced Monday.

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