枞阳县是血吸虫病流行县之一 ,而汤沟血防组管辖区内有 30个流行村位于长江北岸 ,其江滩多为血吸虫易感地带。 1998年 ,本区发现急性血吸虫病 8例 ,来我组治疗的非疫区急性血吸虫病2 7例 ,计 35例 ,现将调查血吸虫急性感染 (简称急感 )情况作一分析。1　方法进行急感的个案调查 Zongyang County is one of the endemic counties for schistosomiasis, while 30 endemic villages within the jurisdiction of Tanggou Blood and Anti-SAR Group are located on the north bank of the Yangtze River. Most of them are susceptible to schistosomiasis. In 1998, 8 cases of acute schistosomiasis were found in this area. Twenty-seven cases of acute schistosomiasis in non-infected area were treated in our group. In 35 cases, an acute schistosomiasis infection was investigated. 1 method to conduct a case of urgency investigation