Cases of measles in the U.S. have escalated over the last few years. The first seven months of 2008 has seen 131 cases of measles, particularly in children. This is compared to only 42 cases in 2007.
The primary reason for this is parental ignorance to vaccinations. Many parents continue to listen to ignorant pseudo-advocacy groups like Autism Speaks, which adopt positions that have been consistently refuted by science. But they have raised a lot of money by selling fear to parents.