Professor Jennifer Reich of the Sociology Department and the author of Calling the Shots: Why Parents Reject Vaccines commented on a study published in the journal Vaccine assessing 197 Facebook users who posted anti-vaccine comments beneath a video advocating the HPV jab on the page of a local pediatric clinic. She was surprised that so many of the comments beneath the video were about infants and vaccines in general, when the HPV shot is given in the tween or teen years. “This suggests that the posts were not actually engaging the video but rather, using it as an opportunity to post concerns about vaccines in general,” she said.

Anti-vaxxers are anti-vaxxers for one of these four reasons
Newsweek, March 21