Epidemiologic assessment of a nationwide multiple antigen vaccine campaign.
D000914:Antibodies, Viral / Q000032:analysis; D000941:Antigens / Q000008:administration & dosage; D001500:BCG Vaccine / Q000592:standards; D002675:Child, Preschool; D004168:Diphtheria Toxoid / Q000008:administration & dosage; D004544:El Salvador; D004812:Epidemiologic Methods; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007109:Immunity; D007223:Infant; D008457:Measles / Q000276:immunology; D008458:Measles Vaccine / Q000008:administration & dosage; D010567:Pertussis Vaccine / Q000008:administration & dosage; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D013745:Tetanus Toxoid / Q000008:administration & dosage; D014611:Vaccination; D014612:Vaccines / Q000008:administration & dosage*
D000914:Antibodies, Viral; D000941:Antigens; D001500:BCG Vaccine; D004168:Diphtheria Toxoid; D008458:Measles Vaccine; D010567:Pertussis Vaccine; D011055:Poliovirus Vaccine, Oral; D013745:Tetanus Toxoid; D014612:Vaccines