The COVID-19 Antigen Rapid Test Cassette(Nasal Swab) is a rapid chromatographic immunoassay for the qualitative detection of COVID-19 antigen in Nasal Swab. The results are used to identify the SARS-CoV-2 antigen test within the first 7 days of symptom onset when viral shedding/viral load is at its highest.This antigen is generally found in upper respiratory tract samples during the acute phase of infection. Positive results suggestthe presence of viral antigens, but an individual medical history and other diagnostic information are necessary to determine infection status. Positive results do not rule out bacterial infection or co-infection with other viruses. The pathogen identified may not be the exact cause of the disease. Individuals who test positive should confirm the results with a laboratory PCR test, self-isolate and notify their healthcare provider.