Over the last 25 years, six people who contracted measles in the U.S. died from it.

A model built by Stanford researchers predicts that if Americans could no longer get the vaccine, measles could kill about 290,000 people in the next 25 years.

http://projects.propublica.org/childhood-vaccines-deaths-modeling/

The Horrors That Could Lie Ahead if Vaccines Vanish

Researchers at Stanford University modeled how many people could die or be disabled in 25 years if vaccines for polio, measles, rubella or diphtheria were no longer available.

ProPublica