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目的:调查玛纳斯县学龄前儿童抗-HBs水平和HBsAg携带状况,为预防乙肝提供依据。方法:采用分层随机抽样法在全县12个乡镇和城区随机抽取被调查对象并采血检测分析。结果:被调查510名学龄前儿童抗-HBs阳性率为72.75%。各年龄组抗-HBs阳性率在62.71%～89.01%之间,且随年龄组增长呈下降趋势(χ2=20.23,P<0.01),城区高于乡镇,乡镇高于农牧村,汉族高于少数民族,男女性别间差别无统计学意义。在510名儿童中检出HBsAg阳性10人,携带率为1.96%,维持在较低水平,地区、族别和性别间差别均无统计学意义。结论:学龄前儿童抗-HBs水平不甚理想,需继续加强乙肝疫苗接种管理工作,尤其要加强基层保健网资金投入和计划免疫接种工作。
Objective: To investigate the anti-HBs level and HBsAg carrier status of preschool children in Manas County for the purpose of preventing hepatitis B. Methods: stratified random sampling method in the county’s 12 towns and urban areas were randomly selected to be surveyed and analysis of blood tests. Results: The positive rate of anti-HBs in 510 pre-school children was 72.75%. The positive rates of anti-HBs in all age groups ranged from 62.71% to 89.01%, and decreased with age (χ2 = 20.23, P <0.01). The urban areas were higher than towns and townships, Minorities, gender differences were not statistically significant. Among 510 children, 10 were positive for HBsAg. The carrying rate was 1.96%, which was maintained at a low level. There were no significant differences among regions, ethnicities and genders. Conclusion: The level of anti-HBs in preschool children is not ideal, so it is necessary to strengthen the administration of hepatitis B vaccination, especially to strengthen the fund-in and plan immunization of grass-roots health care network.