Placebo group: What happens after a Covid vaccine is authorized?
Placebo group: What happens after a Covid vaccine is authorized?

Washington (AFP) – If a coronavirus vaccine is authorized in the United States before the end of the year, will trial participants who received a placebo rush out to get vaccinated?While the question hasn’t received much attention among the general public, it’s one that worries health experts and pharmaceutical manufacturers.Currently tens of thousands of people in the United States and other countries are participating as volunteers in what are known as phase three clinical trials.Typically half receive the experimental vaccine, while the remainder are given a placebo, though they do not know…

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