“…In addition to rRT-PCR, the WHO recommends antigen-detection rapid diagnostic tests (Ag-RDTs) as a reliable option for diagnosis of SARS-CoV-2 infection [ 10 , 11 ]. Ag-RDTs are less expensive, faster, and available as point-of-care (POC) tests, which can be useful for SARS-CoV-2 surveillance, especially in low- and middle-income countries [ [6] , [7] , [8] , [9] ]. Since mid-2020, many SARS-CoV-2 Ag-RDTs, including STANDARD Q COVID-19 Ag (STANDARD Q; SD Biosensor, Suwon, Korea), GenBody COVID-19 Ag (GenBody America, Jurupa Valley, CA, USA), and BIOCREDIT COVID-19 Ag (RapiGEN, Suwon, Korea), have been developed and approved by public health authorities or international regulatory agencies [ 6 , [10] , [11] , [12] ].…”