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A serious question about coronavirus testing - does it really tell us anything?
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March 18th, 2020
Suppose that a person goes for coronavirus testing. They get their results back in 4–5 hours, and it is negative.
Having a negative test today doesn’t guarantee that the person won’t be infected tomorrow or next week.
I guess my question is: the virus testing is a snapshot of a person’s condition today, but isn’t (and can’t be) and guarantee about the future. If that’s the case, why is there so much emphasis on negative results?
Or am I thinking about it all wrong?
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