Almost half (47%) of the respondents who have made their choice only consider a minimum vaccine efficacy level of 90% or more for their vaccination, the YouGov poll found. Sputnik V has a proven efficacy of 91.6%.pic.twitter.com/s1KqHRZnsc
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Why did Putin take Pfizer
anding achievements of Russian science, Sputnik V has been saving lives around the world.anding achievements of Russian science, Sputnik V has been saving lives around the world.
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