Sibling accidentally vaccinates others following inoculation.
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007136:Immunoglobulins / Q000008:administration & dosage; D007198:Indians, North American; D012899:Smallpox / Q000209:etiology* / Q000628:therapy; D014611:Vaccination / Q000009:adverse effects*
D007136:Immunoglobulins