这个网页是由世界卫生组织官方网页提供的。它包含了关于自闭症的常见问答，比如自閉症患者是否都有智力残疾，父母可以做些什么来帮助自闭症儿童，自闭症的原因，以及儿童疫苗并不是自闭症的罪魁祸首。This Questions and Answers page is provided by the World Health Organization (WHO). Among various topics, it provides information on common questions about autism, such as intellectual functions, parents’ support of autistic children, cause(s) of autism and the link between childhood vaccines and autism.

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Please note that there is “no evidence of a link between measles-mumps-rubella (MMR) vaccine and autism. Previous studies suggesting a causal link were found to be seriously flawed.”