Transparency and facts are key elements but most probably not enough as this pandemic situation is highly emotional for many people. Counterbalance clearly the global costs of these Covid vaccines versus the actual costs for our public insurance systems with hospitalisations, ICU, life lost costs, outpatient care / visits, costs of diagnostic tests (I haven't seen so far any global study in the field...) to create confidence in these so new vaccines (either new technology: mRNA or lack of perspective with such condensed developments especially in the safety field): It will be tough and needs a highly prepared frame.