| 1 | Seasonal pattern of Echinococcus re-infection in owned dogs in Tibetan communities of Sichuan, China and its implications for control显示文摘Background:Human cystic echinococcosis(CE)and alveolar echinococcosis(AE)are highly endemic in Tibetan communities of Sichuan Province.Previous research in the region indicated that domestic dog was the major source of human infection,and observations indicated that domestic dog could have more access to intermediate hosts of Echinococcus spp.:both domestic livestock(CE)viscera and small mammals(AE),in early winter and again in spring.We hypothesized that there would therefore be a significant increase in the risk of canine infection with Echinococcus spp.in these two seasons and conducted a reinfection study to investigate this further.Methods:Faecal samples were collected from owned dogs in seven townships in Ganze Tibetan Autonomous Prefecture(Sichuan Province,China),and Echinococcus spp.infection status was determined using copro-antigen ELISA.Dogs were sampled in April(spring),July(early summer),September/October(autumn/early winter)and December(winter)in 2009;and in April(spring)2010.Dogs were treated with praziquantel following each of the five sample collections to eliminate any tapeworms.Information on dog sex,age and body weight was also collected.The t-test,Fisher’s exact test,Poisson regression and logistic regression were used to compare means and prevalences,and to identify factors associated with infection status.Results:The proportion of female dogs was significantly lower than that of male dogs;female dogs had significantly higher(22.78%)baseline copro-ELISA prevalence than males(11.88%).Dog body weight,sex,age,county and previous infection status at any sampling point had no influence on the re-infection prevalence in general.Poisson regression did not found a significant influence on the re-infection prevalence due to different deworming/sampling time spans.Dogs exhibited significantly higher re-infection prevalences in spring and early summer of 2009 and in early winter between September/October and December of 2009,suggesting a higher infection pressure in these seasons comparing with other seasons.Conclusion:Following praziquantel treatment,dog body weight,sex,age,county,deworming time span and previous infection status at any sampling point had no influence on the re-infection prevalence in the region in general.The differences between re-infection prevalences were probably due to the seasonality in Echinoccocus spp.infection pressure in the region.Early winter,spring and early summer should be important seasons for optimal dog deworming intervention in these Tibetan communities. | Qian Wang Wen-Jie Yu Bo Zhong Jing-Ye Shang Liang Huang Alexander Mastin Renqingpengcuo Yan Huang Guang-Jia Zhang Wei He Patrick Giraudoux Wei-Ping Wu Philip S.Craig | 2016 | Infectious Diseases of Poverty2016，5，1： | 15 |
| 2 | 四川省雅江县藏区人群绦/囊尾蚴病流行现状显示文摘目的了解四川省雅江县呷拉乡藏族人群绦虫病/囊尾蚴病流行现状。方法通过问卷、体检了解近一年内人群排绦虫史、癫痫发作史、皮下结节以及相关的其他临床表现。对自愿接受治疗的患者用吡喹酮驱除绦虫,用multiplex PCR对虫种进行鉴定。对1例高度怀疑为猪带绦虫患者的粪便标本采用粪-PCR进行检测。用囊液抗原检测血清囊尾蚴病特异性抗体,了解人群囊尾蚴感染水平。结果11.96%(216/1806)的村民近一年内有排绦虫史,1.05%(19/1806)发现皮下结节,0.61%(11/1806)有癫痫发作史。24份虫体标本PCR鉴定结果均为牛带绦虫,1份粪便标本粪-PCR结果为猪带绦虫。4.35%(4/92)人群血清囊尾蚴病抗体阳性。结论牛带绦虫和猪带绦虫共同流行于雅江县呷拉乡,以牛带绦虫为优势虫种。人群囊尾蚴感染率为4.35%。 | 阿斗塔 李调英 陈兴旺 邱加闽 龙昌平 Akira Ito 邱东川 Philip S.Craig Yasuhito Sako | 2007 | 寄生虫病与感染性疾病2007，5，2： | 12 |
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