Current status of National Immunization Programs.
D003140:Communicable Disease Control; D004165:Diphtheria / Q000517:prevention & control; D006801:Humans; D007115:Immunization Schedule; D007883:Legislation, Medical; D011051:Poliomyelitis / Q000517:prevention & control; D012899:Smallpox / Q000517:prevention & control; D013742:Tetanus / Q000517:prevention & control; D014481:United States; D014611:Vaccination; D014917:Whooping Cough / Q000517:prevention & control