Foto: "<a href="https://ccnull.de/foto/concept-of-global-vaccination-passport-for-those-who-received-the-coronavirus-vaccine/1085071" target="_blank">Concept of global vaccination, passport for those who received the coronavirus vaccine</a>" von <a href="https://ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/51119362095/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>