Carriers
A) may have a persistent infection.
B) may be a source of infection.
C) usually show symptoms of the disease AND may be a source of infection.
D) have been cured of the infection.
E) may have a persistent infection AND may be a source of infection.

Question

Quizplus · Accepted Answer

Carriers may have a persistent infection without showing symptoms and can be a source of infection to others. This is why option E is correct, as it encompasses both aspects of being a carrier.