IL17A and Vogt-Koyanagi-Harada disease: Furthermore, the cluster analysis of serum cytokine levels (Figure 4) indicated that the intensity of Cluster C (patterned yellow bar) consisting of IL-17A and IL-10 in the acute phase of VKH disease patients (brilliant green) was high compared to relative controls (brilliant red), and the intensity of the cluster in the remission phase (black) was also relatively high compared to relative controls.