Political Views And Vaccine Refusal Rates An Increasing Concern For Policymakers And Public Health Officials 13/07/2018 by Tatum Anderson for Health Policy Watch 1 Comment Or they should be. That’s the conclusion of a recent study published in the medical journal Vaccine. The study focused on political views of parents in the state of California, who had chosen not to vaccinate their nursery-school aged children. And it tracked the number of parents who had filed personal belief exemptions (PBEs), applications for permission to avoid vaccinations over a 5-year period to 2015. A disproportionate number of parents filing such forms were from Republican or conservative neighbourhoods, according to researcher Kevin A Estep, from the health administration and policy program at the university.