It’s a clear-cut case of cause and effect: as more parents choose not to vaccinate their kids due to groundless concerns about autism, the number of measles cases in the U.S. is growing. But even though the alleged connection between vaccines and autism has been conclusively debunked, the media is still presenting both sides of the story.

Dan Kennedy is an associate professor at Northeastern University.

Margery Eagan is the co-host of WGBH News' Boston Public Radio.

Joanna Weiss is a columnist at the Boston Globe.

Jon Keller is a political analyst at WBZ.