Figure 2: Heat map of county-level vaccine non-medical exemption rates in 2016 to 2017.
https://globalbiodefense.com/2018/06/28/the-state-of-the-antivaccine-movement-in-the-united-states/
https://globalbiodefense.com/2018/06/28/the-state-of-the-antivaccine-movement-in-the-united-states/
https://www.verywellfamily.com/anti-vaccine-myths-and-misinformation-2633730
https://www.lowyinstitute.org/the-interpreter/india-nipah-virus-outbreak-misleading-media
https://www.theatlantic.com/amp/article/561734/?__twitter_impression=true