Comparison between the automated Roche Cobas AmpliPrep/Cobas TaqMan HIV-1 test version 2.0 assay and its version 1 and Nuclisens HIV-1 EasyQ version 2.0 assays when measuring diverse HIV-1 genotypes in China

The three assays may not deliver consistent results for samples belonging to clades BC and AE. It is strongly suggested that the version of the HIV-1 viral load assay used initially is also used at follow-up.