Trend analysis of vaccination certificate inspection and vaccination of freshmen in kindergartens and primary schools in Dazu District of Chongqing from 2014 to 2022
Objective To understand the trend change of vaccination certificate inspection and re-vaccination of freshmen in kindergartens and primary schools in Dazu District from 2014 to 2022,so as to provide a scientific basis for improving the vaccination rate of children and establishing the immune barrier.Methods Excel 2007 and SPSS 19.0 software were used to make descriptive epidemiological analysis of the data reported from vaccination certificate inspection and vaccination of freshmen in kindergartens and primary schools in Dazu District of Chongqing.Chi-square test was used to compare the inspection rate,missed vaccination rate and supplementary vaccination rate between the nursery and primary schools.Trend analysis was expressed as annual percent of change(APC).The test level was α=0.05.Results From 2014 to 2022,the inspection rate of admission institutions in Dazu District was 100.00%.The inspection rate and the certificate holding rate of freshmen increased from 95.61%and 90.78%in 2014 to 100.00%and 99.98%,and the APC were 0.50%(t=5.58,P=0.001)and 0.80%(t=2.74,P<0.001),respectively.The rate of missed vaccination decreased by 30.02%(t=6.13,P<0.001),the change trend of revaccination rate was not obvious.The number of new students in primary schools was 1.55(97 566/62 997)times that in nursery schools.The inspection rate 98.77%(x2=15.89,P<0.001)and supplementary vaccinating rate 88.70%(x2=38.79,P<0.001)of kindergartens were higher than those in primary schools 98.53%、82.55%,and the rate of missed vaccination 22.70%(x2=1 670.45,P<0.001)and holding certificate 98.01%(x2=50.02,P<0.001)was lower than that of primary schools 32.19%、98.48%.There was no significant difference in the change trend of revaccination rate among different doses in kindergartens(all P>0.05).In primary institutions,the completion rate of A+C vaccine replacement increased by an average of 4.81%(t=8.15,P<0.01).Conclusions Dazu District of Chongqing has made some achievements in the examination and reseeding of kindergartens,but there are still shortcomings.In the future,more measures are needed to strengthen the examination and revaccination of private kindergartens and pupils.
kindergarten and primary school freshmeninspectionreseed