I like the answer empathy below. A bit of everything really is a good approach, depending on the audience. I also think fear will help it along. Pediatricians a

I like the answer empathy below. A bit of everything really is a good approach, depending on the audience. I also think fear will help it along. Pediatricians around Chicago are getting calls form more parents now. http://www.chicagotribune.com/news/local/ct-measles-chicago-met-20150203-story.html http://www.chicagotribune.com/news/local/ct-measles-chicago-... We have to understand the position that there were people that respected the opinions of a friend or loved one. When it came to their own child it was a difficult decision to make considering that herd immunity was making it a non-issue for so long. Satire can be an excellent approach to limit the numbers of those opinion makers. For the parents that decided against immunization I think it is important to remember that we can disagree but still be respectful. At the other extreme calling those parents privileged or gullible will not go as far. It all depends on audience.