AstraZeneca COVID vaccine 76% effective in new US trial analysis
New analysis from vaccine developer uses latest data and follows rebuke from US health officials.
source https://www.aljazeera.com/news/2021/3/25/astrazeneca-covid-vaccine-76-effective-in-new-us-trial-analysis
source https://www.aljazeera.com/news/2021/3/25/astrazeneca-covid-vaccine-76-effective-in-new-us-trial-analysis
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