The WHO strategy for schistosomiasis control focuses on reducing disease through periodic, targeted treatment with praziquantel.
世卫组织血吸虫病控制战略的重点是，通过使用吡喹酮进行定期、有针对性的治疗，遏制该疾病。
2
It was the worst wheat disease of the first half of the 20th century, killing about a fifth of America's harvest in periodic epidemics.
谷物锈病是二十世纪上半叶最为可怕的小麦疾病，在一次流行当中曾美国损失了其收成的近五分之一。
3
Objective To understand well this disease, 8 children with familial periodic paralysis (FPP) were reported and the (rela) -ted literatures were reviewed.