https://www.bbc.com/news/world-us-canada-45294192
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Troll accounts that had attempted to influence the US election had also been tweeting about vaccines, a study says.
Many posted both pro- and anti-vaccination messages to create "false equivalency", the study found.
It examined thousands of tweets sent between 2014 and 2017.
Vaccination was being used by trolls and sophisticated bots as a "wedge issue", said Mark Dredze from Johns Hopkins University.
Many posted both pro- and anti-vaccination messages to create "false equivalency", the study found.
It examined thousands of tweets sent between 2014 and 2017.
Vaccination was being used by trolls and sophisticated bots as a "wedge issue", said Mark Dredze from Johns Hopkins University.




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