We know there are plenty of antivaxers because they sign certificates of immunization exemption. Plus we keep track of immunization rates. In WA there are about

We know there are plenty of antivaxers because they sign certificates of immunization exemption. Plus we keep track of immunization rates. In WA there are about 4% kindergarten kids with non-medical immunization exemptions [0]. In some communities, like Vashon Island, the exemption rate goes upwards 25% [1], and the non-vaccination rate upwards to 44% of kindergartners in 2012 [2]. [0] https://www.doh.wa.gov/Portals/1/Documents/Pubs/348-682-SY2017-18immunizationgraphs.pdf https://www.doh.wa.gov/Portals/1/Documents/Pubs/348-682-SY20... [1] https://www.thenewstribune.com/news/local/article26252716.html https://www.thenewstribune.com/news/local/article26252716.ht... [2] https://www.nytimes.com/2019/05/20/health/measles-outbreak-washington-new-york.html https://www.nytimes.com/2019/05/20/health/measles-outbreak-w...