Both Uses of
impervious
in
Mountains Beyond Mountains
- A person with active tb of the lungs harbors hundreds of millions of bacteria, enough to ensure that a small number will be mutants impervious to anti-tb drugs.†
Chpt 3.13
- When a patient didn't get better on standard therapy, a doctor should suspect that the tb was impervious to some drugs in the regimen and should find out which drugs as quickly as possible and substitute others.
Chpt 3.15 *impervious = immune (not capable of being affected by)
Definition:
-
(impervious) not admitting passage through; or not capable of being affected