[The effective evaluation on the supplementary immunization activities among the migrant pre-school children in Chaoyang District of Beijing].
OBJECTIVE
To evaluate the effect of Supplementary Immunization Activities (SIAs) among the migrant preschool children in Chaoyang district of Beijing since 2005 to 2007, and to provide reference for formulating the strategies for Expanded Program on Immunization (EPI).


METHODS
The descriptive epidemiology was used to analyze the data of SIAs among the migrant preschool children in Chaoyang district since 2005 to 2007.


RESULTS
The SIAs data demonstrated an increasing number of the floating preschool children in Chaoyang district from 2005 to 2007, and the increase rate of year-on-year in 2006 to 2007 was 12.67% and 4.60% respectively. The registration rates of immunization card and identification among the floating preschool children increased by years from 2005 to 2007. The zero-dose rates of Oral Polio Vaccine (OPV), Measles Vaccine (MV), Diphtheria-Pertus-sis-Tetaus vaccine (DPT), Meningococcal Polysaccharide Vaccine (MPV) and Japanese Encephalitis Vaccine (JEV) showed a decrease trends since 2005 to 2007. The age special incidence rate and proportion of vaccine-preventable diseases for the people who were 1- 4-years-old decreased.


CONCLUSIONS
It is an effective management pattern that the government plays a dominated role in Supplementary Immunization Activities (SIAs).
Luo
Feng-ji
FJ
Chaoyang District Center for Disease Control and Prevention in Beijing, Beijing 100021, China.
Liu
Fang
F
Zhang
Jing
J
D002648:Child; D002675:Child, Preschool; D002681:China; D004641:Emigration and Immigration; D005260:Female; D006801:Humans; D017589:Immunization Programs / Q000639:trends; D007117:Immunization, Secondary; D007223:Infant; D008297:Male; D011159:Population Surveillance; D015397:Program Evaluation; D014612:Vaccines / Q000008:administration & dosage
D014612:Vaccines