Facebook policy to stop vaccine misinformation only worked temporarily

Between November 2020 and February 2021, Facebook introduced policies to cut down on misinformation related to covid-19 vaccines, but they only worked for about six months

Technology 15 February 2022

2EYNNFD The Facebook logo is seen reflected in a drop hanging from a needle in this photo illustration in Warsaw, Poland on March 4, 2021. As part of its policy on COVID-19-related misinformation, Facebook will start removing posts with false claims about vaccines. (Photo by Jaap Arriens / Sipa USA)

As part of its policy on covid-19 misinformation, Facebook removed posts with false claims about vaccines

Sipa US/Alamy

Policies put in place by Facebook to tackle covid-19 vaccine misinformation had a meaningful impact on the amount of negative conversation around jabs – but only temporarily.

David Broniatowski at George Washington University in Washington DC and his colleagues used CrowdTangle, a tool belonging to Facebook’s owner Meta, to analyse anti-vaccine conversations on Facebook before and after the platform made policy changes. These were introduced between November 2020 and February 2021 and included removing …

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