A continuous high incidence or a large surge in cases in the early summer would imply a large benefit from an early second booster roll-out but optimal timing will largely depend on trends in infections ECDC says in the latest technical report on a second mRNA COVID-19 vaccine booster dose.
European Immunization Week is marked across Europe every year in the final week of April. It aims to raise awareness of the importance of immunization for the general health and wellbeing of the European and wider population.