David Sinclair· PhD
DNA amplification (PCR) tests could be falsely positive for #COVID19 if there’s lingering viral genetic material after the disease has subsided or from cross contamination in the lab.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
DNA amplification (PCR) tests could be falsely positive for #COVID19 if there’s lingering viral genetic material after the disease has subsided or from cross contamination in the lab.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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PCR tests are very sensitive and can give a positive if there’s lingering viral RNA in recovered patients or simply a cross contamination of samples.
8. PCR tests are so sensitive they can theoretically pick up a single #coronavirus particle. As we will see, this is good news and bad...