Approach to a patient with positive HCV antibody (HCV Ab+): A positive HCV antibody (anti HCV) indicates exposure to the hepatitis C virus, either past or current infection. However, it does not confirm Accurate genotyping of hepatitis C virus through nucleotide sequencing and identification of new HCV subtypes in China population ScienceDirect Hepacivirus C Encyclopedia MDPI Performance of the New Aptima HCV Quant Dx Assay in Comparison to the Cobas TaqMan HCV2 Test for Use with the High Pure System in Detection and Quantification of Hepatitis C Virus