Media type: E-Article Title: The incidence of SARS-CoV-2 with different hygiene regulations during the carnival periods in 2021 and 2022 Contributor: Drinhaus, Hendrik; Hart, Dominique; Böttiger, Bernd W.; Wetsch, Wolfgang A. Published: Deutscher Arzte-Verlag GmbH, 2022 Published in: Deutsches Ärzteblatt international (2022) Language: Not determined DOI: 10.3238/arztebl.m2022.0341 ISSN: 1866-0452 Keywords: General Medicine Origination: Footnote: Access State: Open Access