Viruses that cause measles and the common cold do not produce false-positive COVID-19 reverse transcriptase polymerase chain reaction (RT-PCR) tests, contrary to posts circulating widely online. A ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

Guidelines from the U.S. Centers for Disease Control and Prevention (CDC) for clinical laboratories using tests other than PCRs that can simultaneously detect influenza and SARS-CoV-2 have again been ...

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