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Photographs of the four rapid antigen test kits used. (A) GenBody, (B) InstaView, (C) STANDARD Q (COVID-19), and (D) STANDARD Q (Influenza). A band was indicative of a positive result for the labeled antigen (SARS-CoV-2-positive, FluA-positive, and FluB-positive). Abbreviations: FluA, influenza A virus; FluB, influenza B virus; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
