９９８年８～９月，某部紧急赴湖北灾区抗洪抢险。部队所在村镇均为血吸病重疫区。为防止部队发生血吸虫病，保障抗洪抢险任务的完成，我们采用青蒿琥酯片预防早期血吸虫（童虫）感染，并对预防效果进行了观察。１材料和方法（１）预防用药：青蒿琥酯片。（２）抗原：制冻... From August to September, 998, an emergency department went to flood-hit areas in Hubei. The villages and towns in which the troops are located are all heavily affected by blood diseases. In order to prevent the occurrence of schistosomiasis in troops and the completion of the flood fighting and rescue mission, we used artesunate tablets to prevent early schistosomiasis infection and observed the preventive effect. 1 Materials and Methods (1) prophylaxis: artesunate tablets. (2) Antigen: Frozen ...