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Leptospirosis trends in China, 2007-2018: A retrospective observational study.
Transboundary and Emerging Diseases ( IF 3.5 ) Pub Date : 2019-11-25 , DOI: 10.1111/tbed.13437 Hui Zhang 1, 2 , Cuicai Zhang 3 , Yongzhang Zhu 4 , Khalid Mehmood 5 , Jinjing Liu 2 , Sean P McDonough 6 , Zhaoxin Tang 1 , Yung-Fu Chang 2
Transboundary and Emerging Diseases ( IF 3.5 ) Pub Date : 2019-11-25 , DOI: 10.1111/tbed.13437 Hui Zhang 1, 2 , Cuicai Zhang 3 , Yongzhang Zhu 4 , Khalid Mehmood 5 , Jinjing Liu 2 , Sean P McDonough 6 , Zhaoxin Tang 1 , Yung-Fu Chang 2
Affiliation
Leptospirosis is one of the most common and neglected tropical waterborne diseases in China, causing serious economic losses, and constituting a significant public health threat. Leptospirosis has recently received increased attention and is considered a re-emerging infectious disease in many countries. The incidence of leptospirosis among people suggests that occupation, age, season, sex and water recreational activities are significant risk factors. The aim of this study was to describe the epidemiological profiles of leptospirosis in China during the 2007-2018 period. The morbidity data of leptospirosis by age, season (month), gender, occupation and geographic location (different provinces) were obtained from the public health science data centre of China for subsequent epidemiological analysis. The results indicate that the incidence of leptospirosis has shown a slow downward trend from 2007 to 2018, but morbidity rates were still relatively high (0.0660-0.0113). The incidence of leptospirosis varied in different provinces of China; cases localized mainly to the Southern and Central provinces, areas with warm weather and ample rainfall. Older people (aged 60-75), males, farmers, students and field workers were high-risk populations. During the 2007-2018 observation period, morbidity rates increased beginning in May, remained at high levels in August and September and decreased after November. The present investigation highlights the re-emergence of leptospirosis in some provinces of China (especially in Yunnan and Fujian) and shows that leptospirosis remains a serious public health threat. The results of this study should enhance measures taken for the prevention, control, and surveillance of leptospirosis in China.
更新日期：2019-11-25
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