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There have also been cases where people looked like they've recovered, tested negative, and then became ill again after 2 weeks and tested positive again. I al
by Leary 6y ago
There have also been cases where people looked like they've recovered, tested negative, and then became ill again after 2 weeks and tested positive again.
I always suspected those were mostly due to false negatives from PCR tests. Probably only a tiny minority of people had not enough immune response for them to become reinfected.
- Marsymars 6y agoGiven a large enough sample size, you're also going to get people who recover, test negative due to a false negative, then get influenza two weeks later, then test positive due to dead SARS-COV-2 RNA. And various other edge case permutations like that.