New York Times: A Rapid Virus Test Falters in People Without Symptoms, Study Finds

New York Times: A Rapid Virus Test Falters in People Without Symptoms, Study Finds. “In a head-to-head comparison, researchers at the University of Arizona found that, in symptomatic people, a rapid test made by Quidel could detect more than 80 percent of coronavirus infections found by a slower, lab-based P.C.R. test. But when the rapid test was used instead to randomly screen students and staff members who did not feel sick, it detected only 32 percent of the positive cases identified by the P.C.R. test.”

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