Engagement with anti-vaccine Facebook posts trebles in one month

Exclusive: Guardian analysis prompts calls for new drive to combat conspiracy theories

Engagement with anti-vaccine posts on a sample of UK Facebook pages trebled between July and August, analysis by the Guardian has found, triggering calls for a major new push to tackle conspiracy theories.

Interactions on posts expressing scepticism or hostility towards vaccines on six UK Facebook pages increased from 12,000 in July to 42,000 in August, according to the analysis, conducted using the social media analytics tool CrowdTangle.

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