Your Son Has Not Had the MMR Vaccine (Measles, Mumps

Your son has not had the MMR vaccine (measles, mumps, rubella) because you are apprehensive about vaccines and their side effects. Your sister says that you are setting him up for a potentially damaging scenario. Which argument has the great scienti?c validity and why?

A) Your sister is correct in her warnings. If your son gets a severe case of mumps, he will likely develop a fatal secondary infection.
B) You are correct in protecting your son. If you can keep him from getting mumps when young, it is no longer a problem. It is simply a childhood disease.
C) Your sister is correct. Even if your son does not get the mumps now when he is young, but gets the infection later in life, there is a possibility of severe side effects.
D) You are correct to be apprehensive because vaccines have been the cause of autism in children.