Have you ever read a post about immunization that made you think it must have been fabricated?
Russian bots posted 75% more anti-vaccine messages than the average user according to a research from July 2014 to September 2017. These trolls have been posting both pro and anti-vaccine messages in order to promote discord in American society, according to Mark Dredze, Ph.D.
The story was published by the American Academy of Pediatrics magazine in November, 2018.