California and the UK both did huge studies following tens of thousands of kids for more than 20 years after they made major changes to vaccinations. No mercury, no bundled shots, staggered vaccination schedules, the works. The results were the same in both.
Autism rates continued to climb while infant mortality crept up slightly in communities with very low vaccination rates.
The needless deaths of 10 unvacinated infants during the 2010 California whooping cough outbreak was a warning of worse things to come if the growing tide of anti-vaccination rhetoric continues.
Here is one of those studys.
http://www.immunizationinfo.org/science/autism-cases-california-after-removal-thimerosal 
