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JAMA NetworkComparison of Home Antigen Testing w. RT-PCR and Viral Culture During the Course of SARS-CoV-2 Infection

How does the diagnostic performance of home antigen tests change during the course of SARS-CoV-2 infection? Symptomatic individuals with an initial negative home antigen test result for SARS-CoV-2 infection should test again one to two days later because test sensitivity seems to peak several days after illness onset.

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