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

question 1

Multiple Choice

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.

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