It can be caused by a car crash, a fall or a sporting accident.

VOA: standard.2010.05.25

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

At least 200 others have contracted the disease, which is caused by contaminated food or water and can be fatal if not treated.

VOA: standard.2009.09.14