CCL26 and Infertility: When we analyzed uterine flushing samples for the expression of MCP1, IP10 and eotaxin-3, we observed increased levels in HHV-6A positive infertile women in comparison to HHV-6A negative infertile women and fertile women, with IP10 reaching a significant difference (p = 0.031; Student’s t-test) (Figure 7D).