Foto: "<a href="https://ccnull.de/foto/competition-in-vaccine-development-between-pfizer-biontech-moderna-astrazeneca-and-zydus-cadila-companies/1033721" target="_blank">Competition in vaccine development between Pfizer, BioNTech, Moderna, AstraZeneca and Zydus Cadila companies</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@N08/50742491687/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>