The proportion of the world's infants vaccinated against diphtheria, whooping cough, and tetanus has climbed from less than half to 82 percent between 1985 and 2008.
2
这是非常重要的婴儿获得免疫百日咳。
It is very important that babies get immunised against whooping cough.
The earliest Bloodlines occasionally still depicted particular individuals - as with Zhang's portraits of his own mother and father or his paintings based on his "100th day" baby portrait.