It was then that she discovered that polio had been a common and widespread disease many years ago and that as a result many people were severely disabled, some so badly that they were forced to crawl on the floor to move or couldn't move at all. It was then that Wu resolved to dedicate her life to looking after these unfortunates.
她發現，早年各地流行小兒痳痺，造成許多肢體殘障者，其中更有重度、極重度的殘障者，在地上爬行，甚至動都不能動，因此她決心站出來幫助這些重殘者。