用symptomless造句子，“symptomless”造句

It must have been nearly three months before I heard from Ainsworth, and in fact I had begun to wonder at the Bassets' long symptomless run when she came on the phone.

But high initial death rates often fall as officials find that the causative microbe also causes mild, even symptomless cases.

Vivax, by contrast, hides in the liver. An individual infected with it may remain symptomless for several years and then relapse.