The rise is attributed largely to parents being afraid to give children the measles, mumps and rubella vaccine because of unfounded fears that it could cause autism or bowel problems.

• 这个上升大半要归咎于父母害怕给小孩麻疹、腮腺炎和德国麻疹疫苗，由于毫无根据的害怕它有可能会造成自闭症或肠道问题。