This article has a lot of good (and scary) information on lapsing vaccines and touches a big reason to get your kids vaccinated....
The increasing number of kindergartners entering school without immunizations poses a risk to others, especially children who have legitimate medical exemptions that prevent them from getting their shots, said Linda Davis-Alldritt, a school nurse consultant at the California Department of Education.
"Disease prevention is really a very important thing," she said. "These are diseases that can be very serious, and it can cause death and it can cause long lasting illnesses."
I really can't help but feel like I'm at high risk. I guess it's a risk I must take to be part of the functioning world, but it upsets me that I might be the victim of someone else's negligent behavior.