I don't know about Germany specifically, but France has a way to obtain what they call a "vaccine equivalency health pass": https://www.sante.fr/how-to-obtain-

I don't know about Germany specifically, but France has a way to obtain what they call a "vaccine equivalency health pass": https://www.sante.fr/how-to-obtain-a-french-health-pass https://www.sante.fr/how-to-obtain-a-french-health-pass I know there's a similar scheme in Switzerland, so this sort of thing is definitely not unique to France.