Behavioural interventions to reduce vaccine hesitancy driven by misinformation on social media
### Key messages Vaccine misinformation on social media has strong effects on behaviour, and the evidence base for interventions to reduce these effects is limited, but better approaches to evidence generation are possible, say Kai Ruggeri and colleagues Effective population level vaccination campaigns are fundamental to public health.123 Counter campaigns, which are as old as the first vaccines,4 disrupt uptake and can threaten public health globally.4 In 2019, public health researchers linked increases in measles cases with the proliferation of global anti-vaccine campaigns.5 Some of these ...