Prevalence of Clonorchis sinensis infection and effect of albendazole treatment among residents in two communities of Zhongshan City

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Zheng Ying-YanLuo Le

Abstract

To understand the prevalence of Clonorchis sinensis infection among residents in two communities of Zhongshan City, and evaluate the effect of albendazole treatment, so as to offer the evidence for formulating the strategy of clonorchiasis prevention and control. The stool specimens were collected from the residents of two comprehensive demonstration areas, and the eggs of C. sinensis were detected by Kato-Katz technique. Those who were tested positive were treated with albendazole (0.4, twice a day for 4 days in adults, and half dosage for children aged 16 years or below). Three weeks after the treatment, the stool specimens were recollected and retested to evaluate the effect. A total of 532 people were investigated and 96 were tested positive, with an infection rate of 18.05%. The infection rate was 28.63% (69/241) in the males and 9.28% (27/291) in the females, and there was a significant difference between them (χ2 = 334.99, P < 0.01). The infection rate increased with the increase of the age (χ2 = 63.84, P < 0.01). Among the 96 positive residents, 94 received the albendazole treatment, and 86 were retested after the treatment with a negative conversion rate of 91.86% (79/86). Of the 7 residents without the conversion, 5 h...Continue Reading

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