Malicious bots and trolls spread vaccine misinformation – now social media companies are fighting back
Social media have become one of the preeminent ways of disseminating accurate information about vaccines. However, a lot of the vaccine information propagated across social media in the United States has been inaccurate or misleading. At a time when vaccine-preventable diseases are on the rise, vaccine misinformation has become a cause of concern to public health officials.
At least half of parents of young children report having encountered negative messages about vaccines on social media. Alexander Dummer/Unsplash, CC BY
A 2018 study showed that a lot of anti-vaccine information is generated by malicious automated programs – known as bots – and online trolls. In a striking parallel with the 2016 presidential campaign and the 2018 midterm elections, some vaccine misinformation on America...