Coronavirus (COVID-19) vaccinations in Germany 2023, by federal state
vaccine in the EU. To be completely effective, the vaccine has to be administered in two doses, in two separate sessions. Booster vaccinations are also available. Other vaccines have also been approved in the EU since then.
As of February 2023, Bremen recorded the highest second dose coronavirus (COVID-19) vaccination rate. The vaccination rollout in Germany began after the approval of the BioNTech-Pfizer