Tracing COVID-19 Infection Chains Within Healthcare Institutions - Another Brick in the Wall Against SARS-CoV-2. - Antje Wulff; Pascal Biermann; Tatiana von Landesberger; Tom Baumgartl; Christoph Schmidt; Alan Yussef Alhaji; Kristina Schick; Paul Waldstein; Yufei Zhu; Dagmar Krefting; Simone Scheithauer; Michael Marschollek (MedInfo, 2021)