近50年来,中国的血吸虫病防治工作取得了较大成就。但是由于血吸虫宿主多,钉螺分布广,难以有效地消灭。目前血吸虫病的控制主要依赖于诊断和唯一有效的化疗药物吡喹酮的使用,吡喹酮虽能降低感染率和发病率,却难以阻断传播,接触疫水后仍会发生再度感染,尤其是湖区及山区长期的防 In the past 50 years, schistosomiasis control in China has made great achievements. However, due to the large number of schistosome hosts, snails distributed widely, it is difficult to effectively eliminate. At present, the control of schistosomiasis mainly depends on the diagnosis and the only effective chemotherapy drug praziquantel, praziquantel can reduce the incidence of infection and incidence, but it is difficult to block the spread, re-infection occurs after exposure to water, in particular Lakes and mountains is a long-term defense