Nafeev A A
Med Parazitol (Mosk). 2003 Jul-Sep(3):49-50.
The paper presents the data of an epidemiological investigation on the outbreak incidence of leptospirosis in the Ulyanovsk Region. One hundred and forty-one recording forms under No. 171/y filled in for patients with leptospirosis have been examined. All the outbreaks have been found to be of seasonal nature (June to August) and to show an aqueous transmission of infection. The occupational nature of the disease was absent among the patients.
该论文展示了乌里扬诺夫斯克地区钩端螺旋体病暴发发病率的流行病学调查数据。已检查了为钩端螺旋体病患者填写的141份编号为171/y的记录表格。所有疫情均呈季节性（6月至8月），且显示出经水传播感染。患者中不存在该疾病的职业性特征。
