HUMAN HERPESVIRUS 6

herpesvirus that infects lymphocytes, including CD4 cells. HHV-6 infection generally occurs early in life and may cause fever, exanthem (roseola, a red skin rash) in infants. HHV-6 is associated with neuropathology, chronic fatigue syndrome, multiple sclerosis and certain autoimmune diseases. (hhv-6)