84% of medical misinformation on Facebook is never tagged with a warning, and is viewed billions of times, report says

· *84% of medical misinformation posts on Facebook were left up with no warning label, despite the platform's policy to counter bogus claims, an investigation found.*
· *Non-profit organization Avaaz said 16% of the posts it examined that had been fact checked were labelled, while the other 84% were not.
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· *It said bogus...