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Home / Latest USA News / US / US Election 2020 news on Times of India / US News Headlines / What are clinical trials and how do they work?

What are clinical trials and how do they work?

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Data from such trials have shown that two vaccines -- one developed by Pfizer and BioNtech, the other by Moderna and the US National Institutes of Health -- are about 95 percent effective.

from US News Headlines, Latest USA News, US Election 2020 news on Times of India https://ift.tt/2HkDnWU
What are clinical trials and how do they work? What are clinical trials and how do they work? Reviewed by GYM LOVER KATTA�� on 19:55 Rating: 5

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