The HBsAb rapid test cassette (whole blood/serum/plasma) is a rapid chromatographic immunoassay for the qualitative detection of Hepatitis B Surface Antibody in whole blood, serum or plasma. Result reading within 10 minutes. Sensitivity 99.9% Specificity 99.4% Overall accuracy 99.6% The package includes: 40 individually packaged tests Sample: Whole blood/Serum/Plasma Fast results Easy visual interpretation Simple operation, no equipment required High accuracy