07/01/2014 01:50 pm ET

Study Finds Vaccine Side Effects Extremely Rare

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Serious complications related to vaccines are very rare, and there is no evidence that immunizations cause autism, according to an analysis of 67 research studies.

The analysis comes as many vaccine-preventable diseases are making a comeback, often in communities with low vaccination rates. At least 539 people across 20 states have been infected with measles this year, according to the Centers for Disease Control and Prevention.

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