[Herpes zoster and progressive multifocal leukoencephalopathy].
D000328:Adult; D000368:Aged; D004660:Encephalitis / Q000209:etiology*; D005260:Female; D006562:Herpes Zoster / Q000209:etiology*; D006801:Humans; D007938:Leukemia / Q000150:complications*; D008223:Lymphoma / Q000150:complications*; D008297:Male; D008875:Middle Aged