The political roots of the anti-vax movement

Anti-vax resistance has been around for years. In its current form, anti-vaxxers have now seized control of the message, overshadowing Trump’s endorsements of a vaccine his administration was responsible for developing. In the latest “Reality Check with John Avlon: Extremist Beat,” Avlon traces the anti-government, anti-science and religious overtones that have persisted through the history of anti-vax opposition with CNN’s Elle Reeve and Donie O’Sullivan.