前言： 目的：对深圳市某一霍乱疫点进行流行病学调查和传染来源追踪。
Objective:To make an epidemiologic investigation and look for infection sources.
回顾性调查显示，既往不同暴露疫水方式和暴露强度的人群血清学阳性率不同。
As revealed from retrospective investigation, the positive rate of serological reaction varied with the manner and intensity of previous contact with water in endemic area.
钩端螺旋体病深入流行病学调查1。疫源地类型、分布、特征；
Hook end spirochetosis further epidemiological 1. Marmota himalayana type, distribution, features; 2.
钩端螺旋体病深入流行病学调查1。疫源地类型、分布、特征；
Hook end spirochetosis further epidemiological 1. Marmota himalayana type, distribution, features; 2.
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