The number of confirmed cases of measles in the United States stands, as of this moment, at 152. That's twice as many cases as usually seen in a year, and it's only June. Why so many? In the article linked above, it's made clear: parents aren't vaccinating their kids. The reasons for that are numerous: religious exemptions, anti-vaccination propaganda, ignorance, or perhaps even just laziness. But the bottom line is that kids are getting sick. And if you don't think measles is that big a deal, watch this: