Pfizer vaccine provides 90% protection against hospitalisation for 6 months: study
The Pfizer-BioNTech coronavirus vaccine is 90% effective at preventing hospitalisation for up to six months, with no signs of waning during that time period, according to a large new US study conducted by researchers at Pfizer and Kaiser Permanente.
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from bdnews24.com - Home https://ift.tt/2YiEJdi
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