This was especially true of the adults, but recently the sickness had spread even to my contemporaries.

The sickness that began with Caesar's death has spread and infected the entire state of Rome.

I determined then that their sickness would not spread here.

-Is there anything peculiar in the way this sleeping sickness has spread?

The sickness would have spread; the discovery would have been made.

Once the sickness spreads far enough and deep enough, how will you ever find the magic to drive it out!

It appears the sickness of hate is spreading in many other countries also.

In those days Leprosy patients were not allowed to be kept in the village, fearing that the sickness may spread to another person.

The government sent down men to vaccinate the natives so the sickness would not spread.

"Before the sickness spreads any further," said the third man.