The reluctance or refusal to accept Covid-19 vaccinations can be tackled by a five-pronged strategy to addressing the behavioural and socio-demographic factors behind vaccine hesitancy. Writing in the Journal of the Royal Society of Medicine, a group of population health, demographic, epidemiology and behavioural scientists propose an approach focused on confidence, complacency, convenience, communication and context. While confidence in the safety and efficacy of vaccines is crucial, they write, complacency, particularly among younger people and those of lower socioeconomic status, is