title: Possible alternatives to routine smallpox vaccination in the United States.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004485:Eczema / Q000209:etiology; D006801:Humans; D007223:Infant; D012899:Smallpox / Q000401:mortality / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000592:standards*; D014195:Travel; D014481:United States; D014611:Vaccination / Q000009:adverse effects*; D014615:Vaccinia / Q000209:etiology
chemical_list: D012900:Smallpox Vaccine