EU and its member states are preparing to revive their vaccine passport for intra-EU travel, while continuing to require outsiders (even the vaccinated ones) to show proof that they recently tested negative via PCR test in the past 24 hours.  EU citizens hoping to travel freely within the bloc will need to have their booster shots.

https://www.zerohedge.com/covid-19/eu-members-plan-bring-back-vaccine-passport