多数人后来会出现心脏并发症，导致残疾甚至死亡。

Most people later develop cardiac complications, resulting in disability and even death.

youdao

对这些患者来说，不可控制的发作是造成残疾甚至死亡的主要原因。

For these patients, the unpredictability of seizure onset is a major cause of disability and mortality.

youdao

So, polio--the disease caused by polio can be a paralytic disease, crippling, and in some cases can lead to death if the disease progresses in certain ways.

小儿麻痹症便是由脊髓灰质炎病毒引起的,如果脊髓灰质炎发展到一定程度,患者不仅会瘫痪或者残疾,一些病例甚至可能死亡

耶鲁公开课 - 生物医学工程探索课程节选