The problem with vaccines is lawsuits. Companies are afraid to make vaccines. And in the current environment when quacks and trial lawyers blame vaccines for everything from autism to ADD to ingrown toenails, the manufacturers don't have a prayer with an Alabama jury.
Why should they bankrupt their companies by trying to help people?
I have been around long enough to remember polio. Folks, getting vaccinated for disease is your choice. But only a true ignorant fool would not have their kids vaccinated in these times.
The problems began with the famous Cutter Case. The all-knowing Dalrymple covers the medico-legal story in a book review in City Journal.
Update: Just stumbled into this piece on the subject on the excellent Overlawyered blog.