Download von www.picturedesk.com am 17.09.2021 (13:20). 02 September 2021, Berlin: A physician's assistant draws up a shot of Johnson & Johnson's Janssen Corona vaccine against the Corona virus in a primary care physician's office. According to a study, a third vaccination should significantly increase protection against Corona. It has been unclear how long the Corona vaccine protection will last and when and how often the booster shot will be due. From September 2021, certain groups in Germany will be able to receive a booster vaccination against Covid-19. Photo: Wolfgang Kumm/dpa - 20210902_PD7527 - Rechteinfo: Rights Managed (RM)