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by Symmetry
2256 days ago
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A PCR will generally have around a 99% sensitivity and a 95% specificity. That depends on things like the nasal swab going all the way to the back in a deeply uncomfortable way and if they only get the front of the nasal cavity (with Covid-19 in particular) it might be just a 95% sensitivity. Antibody tests will generally have a much lower sensitivity but can detect whether you had the virus in the past. |
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