A Retrospective Analysis on the Prevalence of Visceral Leishmaniasis in Gansu Province during 2005-2014

Abstract

Abstract:

【Abstract】 Objective To review the prevalence of visceral leishmaniasis in Gansu Province during 2005-2014.　 Methods 　The data of visceral leishmaniasis cases in Gansu Province during 2005-2014 were collected and descriptive statistical analysis was performed. Results During 2005-2014， 1 260 cases of visceral leishmaniasis were reported in Gansu Province. The incidence showed a trend of annual increase from 2005 (90 cases, 7.14%) onwards, peaked in 2011 (168 cases, 13.33%), and decreased afterwards. In 2014, 85 cases (6.75%) were reported. Most of the cases were from the Longnan region and some areas in Gannan Tibetan Autonomous Prefecture. Specifically, the case number was highest in Wudu District of the Longnan region (506/1 260, 40.16%), followed by Wenxian County (302/1 260, 23.97%) and Zhouqu County (202/1 260, 16.03%). In total, the cases had a male-to-female ratio of 1.46 ∶ 1, and concentrated in age group of 0-5 years (665/1 260, 52.78%), showing a trend of decrease with age increase. In addition, visceral leishmaniasis occured throughout the year, with a higher cumulative incidence from March to June [10.48% (132/1 260), 13.33% (168/1 260), 12.86% (162/1 260) and 11.67% (147/1 260), respectively]. Conclusion From 2005 to 2014, the Longnan region and some areas of Gannan Prefecture are the major endemic areas of visceral leishmaniasis, with more cases in children under 5 and higher incidence from March to June.

Key words: Gansu Province, Visceral leishmaniasis, Prevalence, Retrospective analysis

YU Da-wei, DING Guo-wu,GE Peng-fei, FENG yu, LI fan. A Retrospective Analysis on the Prevalence of Visceral Leishmaniasis in Gansu Province during 2005-2014[J]. .

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A Retrospective Analysis on the Prevalence of Visceral Leishmaniasis in Gansu Province during 2005-2014

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