Successful treatment programs that would shorten the duration of a disease primarily affect:
A) the prevalence of the disease.
B) the incidence of the disease.
C) both the incidence and the prevalence of the disease.
D) neither the incidence nor the prevalence of the disease.

Question

Quizplus · Accepted Answer

Successful treatment programs that shorten the duration of a disease reduce the number of existing cases at any given time, thus decreasing the prevalence. Incidence, which refers to the number of new cases, is not affected by treatment duration.

Successful Treatment Programs That Would Shorten the Duration of a Disease