[Re-emergence of schistosomiasis in Dali City after the criteria of transmission control were met] - PubMed (original) (raw)

[Article in Chinese]

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[Re-emergence of schistosomiasis in Dali City after the criteria of transmission control were met]

[Article in Chinese]

Ke-lin Li et al. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi. 2002.

Abstract

Objective: To analyze the epidemic situation on schistosomiasis in five years after reaching the criteria of transmission control in 1995 in Dali City.

Methods: Epidemiological data of schistosomiasis during 1995-2000 were collected and analyzed.

Results: Stool positive rate in the population was increasing yearly, new cases of infection including cases under 14 years old were detected each year. Acute infection occurred during 1996-1998 consecutively. Stool positive rate in cattle was unstable. Snail-ridden area increased significantly in 1996 and spots with infected snails stayed at a higher level during 1997-2000.

Conclusion: Schistosomiasis in Dali city has been re-emerging though it was once deemed under transmission control. Possible reasons include a low drug-taking rate though distributed, frequent movement of cattle population, and less activity on snail control.

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