US officials raise questions about effectiveness of AstraZeneca trial vaccine - Breaking News

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Thursday, November 26, 2020

US officials raise questions about effectiveness of AstraZeneca trial vaccine

AstraZeneca's CEO says the firm is likely to conduct another global trial of the Oxford coronavirus vaccine after US officials raised questions about its effectiveness.

from Latest World News Headlines | Daily Telegraph https://ift.tt/3nWyBOX

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