BIOCREDIT COVID-19 IgG+IgM Duo is a lateral flow immunochromatographic assy for qualitative detection of IgG and IgM specific to SARS-CoV-2 virus in human serum, plasma and whole blood. Anti-human IgG and IgM conjugated with colloidal gold particles will react specifically with the SARS-COV-2 IgG and IgM antibodies in patient's serum, plasma and whole blood.