"Sometimes it is necessary to take risks with the unknown," adds Pengwang, pointing out that there was at first a great deal of opposition in Taiwan to the introduction of compulsory hepatitis B inoculation for children, on the grounds that it was wrong to subject children to the risk. Ten years later, however, the rate of hepatitis B infection among children has fallen by 70 %.
「對於不能預知的事，有時候是要冒一點險」，彭汪嘉康以當年兒童施打 B 型肝炎疫苗為例，當初也引起許多反對聲浪，認為不該讓小孩去冒險，但十年後證明，孩童罹患肝癌的比例降低了百分之七十。