Objective To understand the immunization status of children vaccinated by national expanded program on immu nization （NIP） in Jiangsu Province. Methods Random sampling method was used to choose children aged from 1 to 2 years old in all counties in Jiangsu province in child immunization registration information system . NIP coverage were investigated. Results Primary NIP coverage for target children were all 99%, the qualified coverage of BCG, HepB3, OPV3, DTaP3, MCV1 were all 〉98%, the coverage of DTP4, MCV2, MPV-A2, HepA were 98.58%, 99.53%, 99.41%, 98.78% respec tively. The coverage of HepB3, OPV3, MPV-A1, JEV1, DTP4, MPV-A2, HepA in the northern part of Jiangsu were all significant lower than those in the southern and central part of Jiangsu, （x2 = 6.96-42.59, P〉0. 017）. For floating children , the primary coverage , the qualified coverage of BCG, HepB3, OPV3, DTaP3, MCV1 and immunization coverage of target children from 12 to 23 months old were lower than those of local children, the differences are all statistically significant （X2= 7.84-- 159.66,P%0.05）. Conclusion The NIP coverage in Jiangsu province is on a high level. However, there are differ- ences among different regions and ＂target groups.
Jiangsu Journal of Preventive Medicine
the national expanded program on immunization （NIP） ,vaccination coverage child immunization registrationinformation system