Which of the Following Is Correct About Polio

Multiple Choice

Which of the following is correct about polio?

A) The disease is still affecting millions of people worldwide, mainly in Africa and India.
B) The disease is spread by the respiratory route.
C) The oral polio vaccine (OPV) is not responsible for causing any polio.
D) The Sabin vaccine is preferred over the Salk vaccine in the U.S.today.
E) The virus multiplies in the mucosa of the intestines and is shed in feces.