title: "Acne vaccinatum"--a complication of smallpox vaccination.
mesh_terms: D000152:Acne Vulgaris / Q000209:etiology*; D000293:Adolescent; D006801:Humans; D008199:Lymphadenitis / Q000209:etiology; D008297:Male; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects*
chemical_list: D012900:Smallpox Vaccine