Which of the Following Is One Reason Why the United

Which of the following is one reason why the United States lags behind other industrialized nations in immunization?

A) Not all medically uninsured children in the U.S. are guaranteed free immunizations.
B) Vaccines are not usually available in U.S. public health clinics.
C) There have not been any outbreaks of childhood diseases in the U.S., even in areas where many parents refuse to immunize their children.
D) Some parents have been influenced by media reports suggesting a link between vaccines and autism.