Polio, river blindness, and guinea worm diseases that kill or disable tens of millions of people wouldn't even exist anymore.

脊髓灰质炎、河盲症和导致数千万人死亡或致残的麦地那龙线虫病将不复存在。

They're great at battling parasites and african river blindness, but lymphoma, not so much.

这种药对治疗寄生虫以及非洲河盲病非常有效，但是对淋巴癌效果不明显。