Johannes Nießen

COVID-19 Breakthrough Infections and Transmission Risk: Real-World Data Analyses from Germany’s Largest Public Health Department (Cologne)

Lea Hsu, Barbara Grüne, Michael Buess et al. · Vaccines · 2021 · 33 citations · Full text

Mpox outbreak 2022: an overview of all cases reported to the Cologne Health Department

Sophia Toya Kröger, Max Christian Lehmann, Melanie Treutlein et al. · Infection · 2023 · 17 citations · Full text

Mpox Outbreak 2022, Emerging Infectious Diseases, Healthcare-associated Infection +9

How to manage quarantine—adherence, psychosocial consequences, coping strategies and lifestyle of patients with COVID-19 and their confirmed contacts: study protocol of the CoCo-Fakt surveillance study, Cologne, Germany

Christine Joisten, Annelene Kossow, Julian Book et al. · BMJ Open · 2021 · 13 citations · Full text

Breakthrough infections with the SARS-CoV-2 Delta variant: vaccinations halved transmission risk

Li Yang Hsu, Julia Hurraß, Annelene Kossow et al. · Public Health · 2022 · 11 citations · Full text