False-negative SARS-CoV-2 RT-PCR tests occur less often than previously observed
Although false-negative results from nasopharyngeal SARS-CoV-2 RT-PCR tests are possible, they occur less often than previously observed, according to study results published in
Clinical Infectious Diseases
. “By characterizing the experience of two large U.S. health systems on the short-term occurrence of newly positive SARS-CoV-2 results among initially test-negative patients, we provide data on a topic of practical significance that should be used in combination with other reports to guide the use and interpretation of this common testing modality,” the researchers wrote.
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