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The NADAL® COVID-19 IgG/IgM Test is a lateral flow chromatographic immunoassay for the qualitative detection of anti-SARS-CoV-2 IgG and IgM in human serum or plasma specimens... Note that in the early stages of infection (3 to 7 days after the onset of symptoms) anti-SARS-CoV-2 IgG and IgM may be below the detection limit of the test. The procedure is not automated but requires no special training or qualification. The test is for laboratory use only, not for point-of-care use.