[云南省腹泻病例中卡耶塔环孢子虫和隐孢子虫属的流行情况调查]
[Prevalence survey on Cyclospora cayetanensis and Cryptosporidium ssp. in diarrhea cases in Yunnan Province].
作者信息
Zhang Bing-xiang, Yu Hui, Zhang Li-li, Tao Hong, Li Yan-zhong, Li Ying, Cao Zhi-kuan, Bai Zhi-ming, He Yong-qing
机构信息
Yunnan Center for Disease Control and Prevention, Kunming 650022.
出版信息
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi. 2002;20(2):106-8.
OBJECTIVE
To investigate the prevalence and distribution characteristics of Cyclospora cayetanensis and Cryptosporidium ssp. infection in diarrhea cases of Yunnan Province.
METHODS
To collect fresh faeces from diarrhea cases in 7 counties/cities, examine the specimens by direct smear with iodine staining and modified acid-fast staining.
RESULTS
The infection rate of C. cayetanensis and Cryptosporidium ssp. was 3.97% and 5.29%, respectively. The infection rate of the two pathogenic coccidians was as high as 10.64% and 8.51% in preschool children. C. cayetanensis was found in 3 counties and Cryptosporidium in 6 counties.
CONCLUSION
Both C. cayetanensis and Cryptosporidium ssp. are prevalent in Yunnan Province with the latter distributed more widely, and the two pathogens are more prevalent in preschool children.
目的
调查云南省腹泻病例中卡耶塔环孢子虫和隐孢子虫属的感染率及分布特征。
方法
收集7个县/市腹泻病例的新鲜粪便，采用碘液染色直接涂片法和改良抗酸染色法对标本进行检查。
结果
卡耶塔环孢子虫和隐孢子虫属的感染率分别为3.97%和5.29%。学龄前儿童中这两种致病性球虫的感染率高达10.64%和8.51%。在3个县发现了卡耶塔环孢子虫，在6个县发现了隐孢子虫。
结论
卡耶塔环孢子虫和隐孢子虫属在云南省均有流行，后者分布更广泛，且这两种病原体在学龄前儿童中更普遍。
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