Engagement with anti-vaccine Facebook posts trebles in one month

Exclusive: Guardian analysis prompts calls for new drive to combat conspiracy theories Medical experts v anti-vaxxers: the Covid-19 information battle Coronavirus – latest updatesSee all our coronavirus coverageEngagement 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 s