Coronavirus (COVID-19) vaccinations in Germany 2022, by federal state
vaccine in the EU. To be completely effective, the vaccine has to be administered in two doses, in two separate sessions. Other vaccines have also been approved in the EU since then.
As of December 2022, Bremen recorded the highest second dose coronavirus (COVID-19) vaccination rate. The vaccination rollout in Germany began after the approval of the BioNTech-Pfizer