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1998年夏 ,我国长江、嫩江流域发生了特大洪涝灾害 ,山东临沂籍 32 0名转退官兵参加了长江流域抗洪抢险。根据上级指示精神 ,于 1999年 5～ 7月对上述官兵进行了血吸虫感染情况调查 ,现将结果报道如下。1 内容与方法1.1 调查对象 参加长江流域抗洪抢险的转退官兵。1.2 调查
In the summer of 1998, there were especially serious floods in the Yangtze River and Nenjiang River basins in China. Some 320 officers and men retreating from Linyi Prefecture of Shandong Province took part in the flood control and rescue work in the Yangtze River Basin. According to the instruction of the superiors, the above-mentioned officers and men were investigated for schistosomiasis infection from May to July 1999, and the results are reported as follows. 1 Content and methods 1.1 The survey participants to participate in the flood relief in the Yangtze River Basin retreat officers and soldiers. 1.2 Investigation