Developing gap in immunity to poliomyelitis in an urban area.
D000293:Adolescent; D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009500:Neutralization Tests; D011051:Poliomyelitis / Q000276:immunology* / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated; D012703:Serotyping; D012959:Socioeconomic Factors; D013781:Texas; D014505:Urban Population; D014611:Vaccination
D000906:Antibodies; D011054:Poliovirus Vaccine, Inactivated