SARS-CoV-2 Antigen Variants

Rapid diagnostic tests (Ag-RDTs) for SARS-CoV-2 antigen detection provide laboratory-independent results at the point of care and are powerful tools for public health interventions. Clinical and analytical studies, published in 2021, showed detection thresholds for SARS-CoV-2 Ag-RDT related to the presence of infectious viruses in symptomatic SARS-CoV-2.1 infections, 2 However, most studies of Ag-RDT validation …

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