1996年．我省发生急性血吸虫病人（以下简称意感）52列。现调查分析报告如下。1资料来源52例急感病人来自洱源、永胜、大理、巍山4县（市）血防站和省血防中心住院部的病案报告。2调查结果2.1人群分布a性别：男22例，女30例，男女性别之比1：136；b年龄：最小年龄25岁，最大48 1996. Acute schistosomiasis occurred in our province (hereinafter referred to as sense) 52 columns. The investigation and analysis report is as follows. 1 Source of Information 52 cases of acute patients from Eryuan, Yongsheng, Dali, Weishan 4 counties (city) Blood Stations and Provincial Department of Blood Diseases inpatient medical records. 2 Results 2.1 population distribution a gender: 22 males and 30 females, male to female ratio of 1: 136; b age: the youngest age of 25 years old, the largest 48