Although the most effective treatment involves a combination of drugs taken over a long period, even a single dose of treatment can cut the transmission rate by half.
虽然最有效的治疗方法是长期使用联合药物，但单剂量的治疗也能减少一半的感染几率。
2
Patients with a mild version of the disease who took a high dose of the drug had a slower rate of decline than those who did not.
在患有轻度痴呆症的病人中，服用了高剂量的药物的病人相比未服用药物的病人的功能衰退有显著延缓。
3
The doserate needed to make them work in insects would be too much for people to tolerate, so some more design work is necessary.