Covid Conspiracies and Confusions: The Impact on Compliance with the UK's Lockdown Rules and the Link with Social Media Use [open pdf - 0B]
From the Introduction: "The report finds that:  People who believe conspiracy theories about Covid-19 [coronavirus disease 2019] are more likely to have broken key lockdown rules: for example, 38% of those who think there is no hard evidence that Covid-19 really exists have had family/friends visit them at home, compared with 12% of those who think that's false.  People who believe in conspiracy theories are more likely to be getting their information about Covid-19 from social media: for example, 60% of those who believe the symptoms are linked to 5G [5th generation] radiation say that much of their information on Covid-19 comes from YouTube, compared with 14% of those who think that's false.  People who have broken key lockdown rules are more likely to be getting their information about Covid-19 from social media: for example, 58% of those who have gone outside when they had symptoms that could be Covid-19 say that much of their information on Covid-19 comes from YouTube, compared with 16% of those who haven't."
King's College London, The Policy Institute; Ipsos MORI