Should scientists infect healthy people with the coronavirus to test vaccines?

Not likely. For what it's worth, yes, there have been lots of studies done with intentional exposure to diseases by consenting patients. But it's very tightly controlled, and the committee has to weigh the risks involved. And of course the patients have to have complete understanding and provide total consent, the consent factor is one of the biggest things IRBs are focused on.

The reason why I think no, though, is that we just don't know enough about covid to risk it. It's one thing for patients to consent to exposure to a disease we have a reliable treatment or understanding of, or something we know typically is not dangerous - for example, studies have been done before on patients getting the common cold. But a researcher can't guarantee all of their subjects would survive if they just randomly gave people covid19 and that's a huge risk for a study that most committees would not be in board with. if you want some historical context for that

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