Immunizations for foreign travel.
D002771:Cholera / Q000517:prevention & control; D003140:Communicable Disease Control; D006801:Humans; D007114:Immunization; D012900:Smallpox Vaccine / Q000008:administration & dosage; D014195:Travel; D014481:United States; D014611:Vaccination; D015004:Yellow Fever / Q000517:prevention & control
D012900:Smallpox Vaccine