Over Half of Anti-Vaxxer Ads on Facebook Were Funded by Just Two Entities, Study Finds

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November 14, 2019

New research recently published in the peer-reviewed journal Vaccine indicates the extent to which just a small number of individuals exploited ads on Facebook to promote misinformation about vaccinations. Using Facebook’s Ad Archive tool, which the social media giant introduced in October of 2018 as a way to search ads purchased on the platform, researchers discovered that two primary players were behind a rash of anti-vaxxer advertising on Facebook earlier this year.

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