Studies suggest AstraZeneca COVID-19 vaccine safe, effective - The Associated Press
- Studies suggest AstraZeneca COVID-19 vaccine safe, effective The Associated Press
 - AstraZeneca-Oxford Covid-19 vaccine has moderate efficacy, data show STAT
 - AstraZeneca/Oxford COVID-19 vaccine safe, effective, studies suggest KTRK-TV
 - U.S. AstraZeneca vaccine trial will clear confusion on how well it works -U.S. scientist Yahoo News UK
 - Astra Shot Better at Stopping Covid Than Slowing Transmission Bloomberg
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