Interpreting this graph,can we conclude that polio has been eradicated globally? Why or why not?
A)Yes,as the number of reported cases goes to zero around 1965.
B)No,because polio is part of the normal microbiota,and could become resurgent if vaccination efforts lapse.
C)No,because the graph only depicts incidence of polio in the United States.
D)Yes,because a zero incidence rate for over 40 years clearly indicates there are no longer any susceptibles left in the global population.

Question

Quizplus · Accepted Answer

The graph only showing data for the United States cannot be used to make global conclusions about polio eradication. Polio has not been eradicated globally, with cases still reported in some countries.

Interpreting This Graph,can We Conclude That Polio Has Been Eradicated