CD4 and myeloid sarcoma: Significant inflation of CD4+ Th2 (CXCR3+ and CXCR3−), Th17 (CXCR3+ and CXCR3−) and naïve, CM and SCM CD8+ T cell compartments and a decrease in CD4+ Th1 and Th9 subsets were observed in seroconverted and non-seroconverted OCR-treated patients with MS upon vaccination, while CD4+ Tfh2 and SCM responses were uniquely induced in non-seroconverted OCR-treated patients with MS (figure 3B).