These are the disease outbreaks that could have been prevented by proper vaccination according to the Council on Foreign Relations. You can explore the interactive map here.
Check out the thousands of whooping cough cases in the United States in 2011 and the measles outbreaks plaguing Europe.
Would also be interested to see the speed of decline in rotavirus, meningitis, and pneumonia deaths in south Asia and subsaharan Africa due to vaccines for those diseases.
Me after one shot