Kit no. Tradename Measured analyte Assay Manufacturer Method Analyzer Cut-off Clinical performance (>15 days after positive PCR result)
1
SARS-CoV-2 IgG
SARS-CoV-2 nucleocapsid IgG antibodies
Abbott Diagnostics, Sligo, Ireland
Chemiluminescence Microparticle Immunoassay
Architect i2000R
1.4 index (Sample/Cut-off)
Sensitivity 100.0% Specificity 99.6%
2
Liaison SARS-CoV-2 S1/S2 IgG
SARS-CoV-2 IgG anti S1 and Anti S2 antibodies
DiaSorin S.p.A., Saluggia, Italy
Chemiluminescence immunoassay
Liaison XL
12.0 AU/mL
Sensitivity 97.4% Specificity 98.5%
3
Liaison SARS-CoV-2 IgM
SARS-CoV-2 IgM antibodies
DiaSorin S.p.A., Saluggia, Italy
Chemiluminescence immunoassay
Liaison XL
1.1 index value
Sensitivity 94.0% Specificity 99.3%