In pediatric patients aged 2months to 5 years who receive the MMR vaccination, is there an increased risk of autism against those who do not receive the vaccination?

 CLINICAL QUESTION

1.       In pediatric patients aged 2months to 5 years who receive the MMR vaccination, is there an increased risk of autism against those who do not receive the vaccination?

                P= Children aged 2months to 5years.

                I= MMR vaccination

                C= No MMR vaccination

                O= Autism

 Find 2 research studies that apply to this clinical research question.  Provide the citations for the two studies utilizing current APA guidelines.  Attach the two studies to your response.