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A comment on The first human trial in Europe of a coronavirus vaccine has begun in Oxford. Parent comment

Re:The first human trial in Europe of a coronavirus vaccine ... by mantap on Friday April 24, 2020 @06:20AM (#22966465)
Does there need to be a control group? Can we not detect if the vaccine is working or not without one?
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Re:The first human trial in Europe of a coronavirus vaccine ... by nsgi on Friday April 24, 2020 @01:24PM (#22970643)
Not to the standards required to show its safety and effectiveness, no
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