I knew about the green card, but was unaware that a deal has been done regarding the EHIC card or that the GB symbol on your number plate was not acceptable.
Here are a few pointers thanks to Globebusters
https://www.globebusters.com/whats-on/brexit-changes-for-travel-to-the-eu/?utm_source=GlobeBusters%20Ltd&utm_medium=email&utm_campaign=12070224_February%202021&utm_content=Brexit&dm_i=1RB,76PG0,M1NQBG,T43SZ,1
No mention of vaccine passport as yet and monitor the travel situation.
Here are a few pointers thanks to Globebusters
https://www.globebusters.com/whats-on/brexit-changes-for-travel-to-the-eu/?utm_source=GlobeBusters%20Ltd&utm_medium=email&utm_campaign=12070224_February%202021&utm_content=Brexit&dm_i=1RB,76PG0,M1NQBG,T43SZ,1
No mention of vaccine passport as yet and monitor the travel situation.