Posts About ‘Cross Reactants’ Misrepresent Accuracy of COVID-19 PCR Tests
SciCheck Digest Polymerase chain reaction, or PCR, tests for COVID-19 are highly accurate. People on social media, however, are circulating lists of germs that they baselessly claim will cause such tests to be falsely positive. In reality, it’s the opposite. The lists include pathogens that have …
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