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UK scientists greet Pfizer vaccine announcement with optimism
Published 9 November 2020, 10:32 pm
Scientists said initial trial results for Pfizer Inc and BioNTech's coronavirus vaccine far outpaced their expectations for protection against a completely new disease. The COVID-19 vaccine is more than 90% effective based on initial trial results, a major victory in the war against a virus that has killed over a million people and battered the world's economy.
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