Post-vaccinial reactions.
D002648:Child; D002675:Child, Preschool; D004673:Encephalomyelitis, Acute Disseminated; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009187:Myelitis / Q000209:etiology; D012899:Smallpox / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000009:adverse effects* / Q000627:therapeutic use; D014611:Vaccination / Q000009:adverse effects*
D012900:Smallpox Vaccine