In a post in the PLOS “Speaking of Medicine” blog, Sara Gorman, an MPH candidate at Columbia University Mailman School of Public Health, examines “some of the factors behind anti-vaccination movements.” She notes “[a] few, but not many, studies have been done to begin to understand the demographics, spread, and circumstances behind various anti-vaccination movements or instances of vaccine non-compliance,” and she discusses some of this research (12/13).