Figure 1

Diagrammatic representation of the principle of biotin-streptavidin (BS) sandwich LFTS for detection of SARS-CoV-2 S1 antigen in saliva samples or nasopharyngeal swabs.
Diagrammatic representation of the principle of biotin-streptavidin (BS) sandwich LFTS for detection of SARS-CoV-2 S1 antigen in saliva samples or nasopharyngeal swabs.