CCR5 and bacterial vaginosis: Finally, we found that the frequency of Th17 cells expressing the activation marker and HIV coreceptor CCR5 was not significantly different between BV– versus BV+ individuals, although, notably, the median frequency of Th17 cells expressing CCR5 in BV+ individuals was 90% in CX and 93% in VT samples (Supplemental Table 1 and Figure 5E).