From the Centers for Disease Control. Early childhood vaccination levels.
D000914:Antibodies, Viral / Q000032:analysis; D002648:Child; D003237:Connecticut / Q000453:epidemiology; D015721:Diphtheria-Tetanus-Pertussis Vaccine / Q000276:immunology; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D008913:Minority Groups; D011203:Poverty; D012189:Retrospective Studies; D014171:Transients and Migrants; D014504:Urban Health; D014611:Vaccination / Q000706:statistics & numerical data*
D000914:Antibodies, Viral; D015721:Diphtheria-Tetanus-Pertussis Vaccine