nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqczjxkxpzsqdkhr2z2dmv8qwnw0j3r8na2hym02njp5sv9xxvm2dqvrfn50

I haven’t been in “many european countries” but in those I was nobody ever asked me about my vaccination status, so this sounds like FUD.