Archived english announcements of the ZKBS The adenovirus-based vaccine strains ChAdOx1 nCoV-19 (AstraZeneca), Ad26.COVS1 (Johnson & Johnson/Janssen) and rAd5-S-CoV2 + rAd26-S-CoV2 (SputnikV) were classified by the ZKBS in risk group 1. More detailed information can…