And millions of people around the world suffer from other incurable diseases such as cystic fi brosis multiple sclerosis muscular dystrophy and genetic birth defects.

• 全世界数以百万计的人们遭受其它一些不可治愈的疾病，比如囊肿型纤维化、多发性硬化症、肌营养不良症和遗传性出生缺陷。