In New China, care during childbirth, old age and illness, as well as burial arrangements, are all guaranteed for the labouring people.

在新中国，劳动人民生老病死都有依靠。

《新英汉大辞典》

It took the old lady almost three months to get over her illness.

老太太花了将近三个月的时间才从病中恢复过来。

youdao

I examined Coco and found he was old and had a serious illness.

我检查了可可，发现他老了，病得很重。

youdao

It is an age-old, recurring illness -- most adults have been exposed countless times.

CNN: Baby ill? It might not be the flu

One large study of statins in people aged 70-82 years old found that illness and deaths from heart disease fell in those treated with pravastatin but overall there was no difference in mortality as rates of cancer illness and death increased.

BBC: NEWS | Health | Prevention 'may not help elderly'

There is no question that he would have remained in prison until he died of illness or old age.

BBC: NEWS | UK | Shipman taking control of his own death