AstraZeneca will probably conduct an additional trial to evaluate the efficacy of its coronavirus vaccine, the company's chief executive said Thursday, …
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Source:https://www.google.com/url?rct=j&sa=t&url=https://www.washingtonpost.com/nation/2020/11/26/covid-coronavirus-update/&ct=ga&cd=CAIyGjNhZTUxMTBmMjUyYjhmMzI6Y29tOmVuOlVT&usg=AFQjCNFBCS3s4-M8Zkq1U1pQT19lTiVc2g
Published on: 2020-11-26T14:56:05Z
