evidence: Table 1 Effects of the health pass in France on three dimensions of vaccine hesitancy [...] In France, opposition to vaccines against COVID-19 is grounded in a distrust of the mainstream political system and the current government in particular7,11. Some of the government’s choices have not helped to build this trust. Trust is built by clearly explaining the uncertainties and constraints bearing on the decisions being made, so that the public can understand them, even when they change, and trust that they are based on the best available science17. Projecting certainty and control leads to avoidable changes in messages and the breaking of unnecessary promises. [...] Le Monde-AFP. https://www.lemonde.fr/societe/article/2021/10/27/obligation-vaccinale-le-chu-de-guadeloupe-condamne-des-operations-commandos-menees-par-des-personnels-grevistes_6099993_3224.html (2021).