Assay+ HBV surface antigen rapid test is manufactured in Canada to detect HBV surface antigen for the healthcare providers. Assay+ HBV surface antigen Rapid Test Kit is qualitative test device for HBV antigen in human serum, plasma, whole blood. This device has been used by our end customers with large quantity. Sensitivity over 95% and 100% specificity have been proved used by our customers in large quantity.