Fig. 2. Immunoperoxidase staining, showing HHV-6 antigens in a retinal section from an acquired immunodeficiency syndrome (AIDS) patient (× 400). (Qavi HB, Green MT, SeGall, GK et al: Transcriptional activity of HIV-1 and HHV-6 in retinal lesions from AIDS patients. Invest Ophthalmol Vis Sci 33:275, 1992)