I realize that's a little abstract, just citing numbers, so here's an image for those of you who are more visually oriented:
Man. Just look at that steep, steep line for 2014, towering over every other year in the past fourteen years. Take a bow, anti-vaxers, because that is largely your work. Know how I know it's in large part due to your work? Here's how: 200 of the 288 reported in the CDC's media release about the outbreaks were completely unvaccinated, and 58 had unknown vaccination status. And those unvaccinated folks? Ten were too young to have been vaccinated, but would have been protected by herd immunity if not for you. Eleven had missed vaccination opportunities. Again, they would likely have been protected if you hadn't done such a bang-up job jeopardizing public health. The rest of the unvaccinated were unvaccinated because of religious, philosophical or personal belief reasons.
Again, for those of you who prefer visuals, take a look: