![Check-In-Funktion und Impfzertifikat: Die Corona-Warn-App wird aufgerüstet - Wirtschaft - Tagesspiegel Check-In-Funktion und Impfzertifikat: Die Corona-Warn-App wird aufgerüstet - Wirtschaft - Tagesspiegel](https://www.tagesspiegel.de/images/neuer-inhalt/27103632/1-format6001.jpg)
Check-In-Funktion und Impfzertifikat: Die Corona-Warn-App wird aufgerüstet - Wirtschaft - Tagesspiegel
![Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables](https://c8.alamy.com/zooms/6/a1d4b0ef479846b9acde8ab618b20dff/2fme5w2.jpg)
Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables
![Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables](https://c8.alamy.com/comp/2FME604/luca-app-on-a-smartphone-scans-a-luca-qr-code-at-the-entrance-to-a-food-market-in-hanover-you-can-check-in-and-out-with-your-mobile-phone-and-this-enables-corona-infection-chains-to-be-traced-hanover-germany-8-may-2021-luca-app-auf-einem-smartphone-scannt-einen-luca-qr-code-am-eingang-eines-lebensmittelmarktes-in-hannover-sokann-man-mit-dem-handy-ein-und-auschecken-und-das-ermglicht-die-rckverfolgung-von-corona-infektionsketten-hannover-852021-2FME604.jpg)
Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables
![Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables Luca app on a smartphone scans a Luca QR code at the entrance to a swimming area in Lüdinghausen, Germany. You can check in and out with your mobile phone, which enables](https://c8.alamy.com/comp/2FX1MJR/luca-app-on-a-smartphone-scans-a-luca-qr-code-at-the-entrance-to-a-swimming-area-in-ldinghausen-germany-you-can-check-in-and-out-with-your-mobile-phone-which-enables-corona-infection-chains-to-be-traced-2FX1MJR.jpg)