Pfizer says coronavirus vaccine 91% effective, prevents illness from South African variant 91% african blog coronavirus effective, from geo geo blog geo entertainment geo kahani geo news geo tv illness news pakistan pakistani news pfizer prevents says south stories vaccine variant 1 2 3 4 5 Submit Entry posted by ADMIN April 1, 2021 107 views Share https://fundayforum.com/blogs/entry/75586-pfizer-says-coronavirus-vaccine-91-effective-prevents-illness-from-south-african-variant/ More sharing options... Followers 0 New overall efficacy rate of 91.3% is lower than the 95% originally reported in November 0
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