impf.app is offered by the German General Practitioners Association (HZV) Landesverband Niedersachsen e.V. (www.hausaerzteverband-niedersachsen.de) and is the perfect solution for anyone who is looking for secure storage of their vaccination certificate data, wants up-to-date and reliable vaccination recommendations at all times and has the vaccination certificate directly with them Would like to exchange medical practices. You can find more information at https://impfpass.de. You can transfer