Figure 2From: Co-receptor usage and prediction of v3 genotyping algorithms in hiv-1 subtype b' from paid blood donors experienced anti-retroviral therapy in chinese central provinceAssociation between HIV-1 co-receptor usage and CD4 count or plasma VL. (A) CXCR4-HIV-1 co-receptor usage utilization decreases with higher CD4 + T cell count in both groups.(B) There is no obviously correlation between VL and HIV-1 co-receptor usage (see Figure 2).Back to article page