What Can You Tell a New Parent About the Role

What can you tell a new parent about the role childhood immunizations play in protecting the health of Canadian children?

A) Immunizations have only been administered reliably in some Canadian provinces to date.
B) Immunizations appear to have reduced the incidence of some, but not all, significant childhood diseases in Canada.
C) Immunizations are painful and not worth the tears experienced by some children.
D) Immunizations have resulted in a significant decrease in major childhood diseases.