> > 2 additional shots in february doesn't sound exciting either, > when there is likely very little knowledge about the impact of doing that > after you had received 2 other vaccine shots some months before. Cross-vaccination is now relatively well understood (I’m not an expert in this, but e.g. my wife got three different vaccines over the course of 2021). > But the fact that such shots would invalidate prior shots with > a chinese permitted vaccine does put the icing on the cake. > Where did you hear this info ? I don’t know what’s being invalidated here. The non-EMA vaccinations essentially don’t count; you show your two EMA vaccinations and are admitted. Grüße, Carsten