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Pfizer Covid-19 vaccine ‘90% effective in preventing the disease’

Pharmaceutical giant Pfizer and biotech firm BioNTech have said their coronavirus vaccine was more than 90% effective in preventing Covid-19 among those without evidence of prior infection.

The results are based on the first interim analysis of Phase 3 of the study, and evaluated 94 confirmed cases of Covid-19 in trial participants.

Read the full story: https://www.independent.co.uk/news/health/coronavirus-vaccine-covid-pfizer-trial-b1719607.html

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