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目的:了解浙江省部分地区儿童含麻疹成分疫苗(MCV)初免未及时接种原因,为制订相应的控制措施提供依据。方法:采用分层多阶段随机抽样方法,选取浙江省3个县作为调查现场,调查适龄儿童MCV初免接种情况及未及时接种原因。结果:调查儿童中,MCV第一针接种率为99.13%,第一针MCV疫苗及时接种率(满8月龄后1个月内接种为及时接种)为74.38%,本地儿童MCV初免接种率高于流动儿童(χ2=18.98,P<0.05);未及时接种原因分析发现,受种方客观原因是造成儿童未及时接种MCV的主要原因,其中以儿童患病未及时接种麻疹疫苗的比例最多,占56.37%。结论:浙江省麻疹疫苗接种率维持在较高水平,但MCV初免及时接种率不高,儿童患病是造成未及时接种麻疹疫苗的主要原因,应采取有针对性的措施提高MCV初免及时接种率。
OBJECTIVE: To understand the reasons why the immunization of measles vaccine (MCV) in children in some parts of Zhejiang Province was not timely vaccinated and provide the basis for formulating the corresponding control measures. Methods: Stratified multi-stage random sampling method was used to select 3 counties in Zhejiang Province as the investigation site to investigate the initial vaccination of MCV in school-age children and the reason of not timely vaccination. Results: Among the children surveyed, the first vaccination rate of MCV was 99.13%. The timely vaccination rate of MCV vaccine was 74.38% (vaccinated in one month after 8 months of age), and the initial vaccination rate of local MCV (Χ2 = 18.98, P <0.05). Analysis of the reasons for the lack of timely inoculation showed that the objective causes of inoculation were the main reasons that children were not vaccinated with MCV in time. Among them, the highest incidence of childhood measles vaccine was not Accounting for 56.37%. Conclusion: The measles vaccination rate in Zhejiang Province is maintained at a high level, but the timely vaccination rate of MCV is not high, and the prevalence of childhood measles vaccine is the main reason for the measles vaccine being not timely vaccinated. Therefore, targeted measures should be taken to improve the time of MCV vaccination Inoculation rate.