I--I--it is too horrible to think of your running such risks.

Rather let them all die like flies than that.

You mustn't do it.

You mustn't." She spoke in English hurriedly, with a little break in her voice which he did not understand.
"With ordinary precautions the risk is very small," he said practically.
"Yes.

But do you take ordinary precautions?
Are you sure you are all right now ?" She stopped.