Thursday, October 21, 2021

The Pfizer-BioNTech vaccine is 90 per cent effective and the Oxford-AstraZeneca vaccine 91 per cent effective in preventing deaths in people who have been double vaccinated, but who have tested positive for coronavirus in the community


https://ift.tt/3B08wEQ via /r/science https://ift.tt/3E3DBcq

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