4:24am PDT - July 19th, 2021

.@BristolHealthP .@uhbwNHS .@NorthBristolNHS Prof Cath Green had key role in team that developed Oxford/AZ vaccine. Says in book, "We also think it unlikely that the virus could mutate in a way that keeps it functioning but makes our vaccine completely ineffective". 1/2 https://t.co/dqWci47QFO

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