September 3, 2020

A vaccine before the US election? Depends on science — or politics

Washington (AFP) – A Covid-19 vaccine by election day in the US? Experts worry that, facing an uphill battle for reelection, President Donald Trump could press for one to be approved before the November 3 vote, but also before tests prove it is effective and safe for the public.Where does vaccine testing stand?Two producers, Pfizer and Moderna, began final phase-3 trials on July 27. Paul Mango, a senior official at the US Department of Health, said last week they so far have 15,000 volunteers out of 30,000 needed. Pfizer’s vaccine requires two doses in 21 days, and Moderna’s two doses in 28 da…


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