The percentage of American children who receive childhood vaccinations is dropping. Experts say that vaccine-resisters are more likely to be highly educated and well off financially. What has spooked them? Their chief fear is that vaccinations may trigger autism, a neurological disorder that typically appears before a child reaches the age of three. Such children suffer language and communication deficits, withdraw from social contacts, and react intensely to changes in the immediate environment.
Many parents of autistic children fervently believe that the measles-mumps-rubella (MMR) triple vaccine causes autism. Autistic symptoms make their appearance just about at the time that most children are vaccinated. The typical story is that little Johnny was fine until a couple of weeks after he was injected. However, most research suggests that parents are confusing correlation with causation