Bildnachweise

aerztin.jpg

krankenschwester mit verschränkten armen | adobe | Racle Fotodesign
https://stock.adobe.com/de/images/krankenschwester-mit-verschrankten-armen/32508572

labor-corona.jpg

Male chemist hand hold vial with red blood liquid closeup background. Coronavirus COVID 2019 drug concept. | adobe | H_Ko
https://stock.adobe.com/de/images/male-chemist-hand-hold-vial-with-red-blood-liquid-closeup-background-coronavirus-covid-2019-drug-concept/331736060

businesswoman-corona.jpg

danger-of-infection-of-the-virus-coronavirus-infection-businesswoman-in-medical-mask-at-office | adobe | Studio Romantic
https://stock.adobe.com/de/images/danger-of-infection-of-the-virus-coronavirus-infection-businesswoman-in-medical-mask-at-office/331053892