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> I'm surprised we don't see Covid mutations that invalidate PCR tests PCR tests for RNA or DNA, that's not something a mutation can change. I don't know for C
by dtech 5y ago
> I'm surprised we don't see Covid mutations that invalidate PCR tests
PCR tests for RNA or DNA, that's not something a mutation can change. I don't know for Covid, but usually a PCR test targets something fundamental & stable. That might need to be updated with new variants.
- rich_sasha 5y agoThey test for particular fragments, not the whole thin. 3 fragments usually in the UK.
- chki 5y agoIsn't that the only thing a mutation can change? What is mutating in the virus if it's not the DNA?