HPV Vaccination May Have a More Dramatic Effect on People's

HPV vaccination may have a more dramatic effect on people's health in the developing world than in the United States because

A) most American youths are already vaccinated and therefore not at risk.
B) HPV has been nearly eliminated in the United States.
C) people in developing countries seldom have access to Pap tests.
D) HPV strains in other parts of the world are more virulent than strains in the United States.
E) people in developing countries are more likely than U.S. citizens to be exposed to HPV.