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					Originally Posted by RchW  Which ones? | 
	
 Here's a picture from a 1918 protest against smallpox vaccination
 
In the 1970's there was a fairly widespread belief that the DTP vaccine caused neurological problems, supported by nonsense studies like this one:
https://www.ncbi.nlm.nih.gov/pmc/art...00857-0052.pdf
That's not even mentioning the many 60's parents who had lived through measles and mumps and thought the vaccines would make their kids too soft.