Refer to Figure 14.3 for the next several questions.

-The graph in Figure 14.3 shows the incidence of polio in the United States.The period between 1945 and 1955 indicates a(n)
A)endemic level.
B)epidemic level.
C)sporadic infection.
D)communicable disease.
E)pandemic.

Question

Refer to Figure 14.3 for the next several questions.
 
-The graph in Figure 14.3 shows the incidence of polio in the United States.The period between 1945 and 1955 indicates a(n)
A)endemic level. 
B)epidemic level. 
C)sporadic infection. 
D)communicable disease. 
E)pandemic.

Quizplus · Accepted Answer

The sudden increase in polio cases during this period indicates an epidemic level.