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2. Baumann, M., Beier, M., Brinkmann, M., Brockmann, D., Bude, H., Fuest, C. et al. (2021). Eine neue proaktive Zielsetzung für Deutschland zur Bekämpfung von SARS-CoV-2, https://www.zeit.de/wissen/gesundheit/2021-01/no-covid-strategie.pdf?utm_referrer=https%3A%2F%2Fwww.wiso.uni-hamburg.de%2F.