A short paper, "Persistent False Positive COVID-19 Rapid Antigen Tests,” caught my eye in the Feb. 22 New England Journal of Medicine. This kind of test done at home with a kit from the store is ...
Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...
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