1.Prevalence Survey on Cyclospora cayetanensis and Cryptosporidium ssp. in Diarrhea Cases in Yunnan Province
Bingxiang ZHANG ; Hui YU ; Lili ZHANG ; Hong TAO ; Yanzhong LI ; Ying LI ; Zhikuan CAO ; Zhiming BAI ; Yongqin HE
Chinese Journal of Parasitology and Parasitic Diseases 1987;0(02):-
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.
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