If it continues to prove efficacious, approval for general use will no doubt follow, and its use will spread to the other two infected countries, permitting the epidemic to be ended once and for all.

如果它被继续证明是有效的，无疑将会被批准通用，并且将会传到其他两个受感染的国家使用，最终使疫情一劳永逸地消除。

youdao

"We have to make sure that the compound will be sufficiently efficacious to be used in the clinical setting, it has to be safe, and again we can make the drug sufficiently cheaply that it will be appropriate for the use in the clinical setting."

VOA: standard.2010.04.05