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French study of over 22m people finds vaccines cut severe Covid risk by 90% – The Guardian
Largest study of its kind also finds vaccines appear to protect against worst effects of Delta variant

CoronavirusLargest study of its kind also finds vaccines appear to protect against worst effects of Delta variant
Mon 11 Oct 2021 10.26 EDT
Vaccination reduces the risk of dying or being hospitalised with Covid-19 by 90%, a French study of 22.6 million…
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