human herpesvirus 6 Herpesvirus that infects lymphocytes, including CD4 cells. HHV-6 infection generally occurs early in life and may cause fever and exanthem (roseola, a red skin rash) in infants. HHV-6 is associated with neuropathology, chronic fatigue syndrome, multiple sclerosis, and certain autoimmune diseases.
human herpesvirus 7 Herpesvirus that infects human T cells but is not known to cause disease.
human herpesvirus 8 See Kaposi's sarcoma-associated HERPESVIRUS.
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