Now, the decreased flow downstream from the dam is allowing the snails to breed unchecked, which has already led to a spike in schistosomiasis cases in some areas.

• 现在，从大坝流到下游的水量的减少使得螺蛳可以不受抑制的繁殖，这在一些地区已经导致了血吸虫疾病的爆发高峰。