我们现在看到有证据表明，大规模预防性化学疗法战略可以阻断传播。
We are now seeing evidence that the strategy of mass preventive chemotherapy can interrupt transmission.
结论环改工程是消灭钉螺、阻断传播的一种长效灭螺措施。
Conclusion the environmental modification project is one of measures that can effectively control snail and interrupt the transmission of schistosomiasis in endemic area.
表明庄埠村的血吸虫病经5年防治已达到阻断传播终止流行。
It is obvious that the spread of the disease has ceased through a 5-year control programme.
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