Those surviving are often left brain damaged, blind or with hearing loss.

VOA: special.2010.04.20

There are about 350 million people all over the world that suffer from disabling hearing loss.

全球听力受损的人,约有三亿五千万。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Even a small hearing loss can affect a child's social development.

VOA: special.2010.09.28

What did she think about the tragic loss of her sight and hearing?

VOA: special.2009.11.15