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Mass vaccination with Pfizer's COVID vaccine lowers death rates, hospitalisations and disease
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International
A nationwide mass-vaccination using the Pfizer vaccine is effective for a wide range of COVID outcomes, according to international researchers who looked at almost 600,000 people vaccinated between December 20, 2020 and February 1, 2021 and compared them to unvaccinated people of similar demographics. After the second vaccine dose, they estimate that the vaccines were around 92 per cent effective at reducing infection, 87 per cent effective in reducing hospitalisation, and 92 per cent effective in reducing severe disease. For days 14 to 20 after the first dose, deaths from COVID were also estimated to have been reduced by 72 per cent.
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