The study looked at new symptomatic cases of COVID-19 between December and April and people who died within 28 days of their positive test by vaccination status. People who had a single dose of AstraZeneca vaccine were 55% protected against death, with a figure of 44% protection for a single dose of Pfizer, compared to unvaccinated people.from Healthcare/Biotech-Industry-Economic Times https://ift.tt/2RdAxro
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