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Old-school and current vaccines have no link to autism (again), study says

Old-school and current vaccines have no link to autism (again), study says

Multiple vaccines containing the preservative thimerosal, administered to macaque monkeys on the schedule that pediatricians followed in the 1990s, resulted in none of the key brain or behavioral changes linked to autism, a new study shows. 

The same study also administered a wide range of vaccines including the measles, mumps and rubella (MMR) vaccine--which never contained thimerosal--to rhesus macaques. Again, it found no evidence of changes in brains or behavior that would implicate either the much-maligned MMR vaccine or a combination of many vaccines as a cause of or contributor to autism.

Just two weeks after candidates for the Republican presidential nomination...

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