Multiple sclerosis, herpes viruses, and immunity.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007239:Infections / Q000276:immunology*; D009103:Multiple Sclerosis / Q000209:etiology* / Q000276:immunology; D018139:Simplexvirus / Q000276:immunology*