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A comment on Some scientists are taking a DIY coronavirus vaccine. Parent comment

Re:Some scientists are taking a DIY coronavirus vaccine by dawnerd on Wednesday July 29, 2020 @01:21PM (#23989230)
Likely part of a grouped test - which absolutely should have been retested by the lab.
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Re:Some scientists are taking a DIY coronavirus vaccine by copperx on Wednesday July 29, 2020 @05:13PM (#23991654)
I don't understand how grouped testing makes any sense when such a large percentage of individual tests come out positive.

I mean, if you group 10 samples from a test center, what's the probability of one of them being positive? Isn't it close to 1.0?

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Re:Some scientists are taking a DIY coronavirus vaccine by dawnerd on Wednesday July 29, 2020 @11:50PM (#23994445)
Depends on their group test size and what factors they consider when they decide to group or not. It's why they ask if you're a first responder for example (least they do around here).
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