IL10 and myalgic encephalomeyelitis/chronic fatigue syndrome: In male subjects, IL-10 and IL-23 expression contributed in an illness and time-dependent manner in the context of IL-15, 12, 2, and interferon Y. In contrast, IL-10 was identified as a delineator in the context of IL-17, 5, and 4 in female subjects with GWI or CFS.