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目的了解云南那邦口岸中缅双边贾第虫感染危险因素。方法 2008年整群随机抽取中国盈江县那邦镇和缅甸拉咱市边境自然村,对调查点内居住时间>1年的边民进行流行病学问卷调查及新鲜粪便碘液涂片镜检,采用logistic回归方法对数据进行统计分析。结果共调查6个自然村903人,平均年龄为(22.81±18.82)岁;总贾第虫感染率为13.51%,其中调查2个中国自然村286人,感染率为2.10%;调查4个缅甸自然村617人,感染率为18.80%;单因素分析结果表明,国籍、年龄、民族、用手抓饭、喝生水、饮用水源、近1月内腹泻、使用厕所类型和粪便带粘液为可能的危险因素;多因素分析结果表明,国籍、年龄、民族、喝生水和粪便带粘液为主要危险因素。结论直接饮用被粪便污染的水源是缅甸边民贾第虫流行的主要原因。
Objective To understand the risk factors of Giardia infection between China and Myanmar in Na Naung Port in Yunnan Province. Methods In 2008, a random cluster was collected from Na Bang Town, Yingjiang County, China and the border natural villages in La Zan, Myanmar. The epidemiological questionnaires and iodine smear of fresh faeces were carried out for the residents who live in the survey sites for more than one year. Logistic regression method was used to analyze the data. Results A total of 903 people in 6 villages were surveyed, with an average age of (22.81 ± 18.82) years. The prevalence of Giardia was 13.51%, of which 286 were investigated in 2 villages of China. The infection rate was 2.10% Person, infection rate was 18.80%; univariate analysis showed that nationality, age, ethnicity, hand pilaf, drinking raw water, drinking water sources, diarrhea within the past month, the use of toilet type and fecal mucus may be dangerous Factors; Multivariate analysis showed that nationality, age, ethnicity, drinking water and stool with mucus as the main risk factors. Conclusion Direct drinking of manure contaminated water source is the main reason for the prevalence of Giardia in Myanmar.