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. 2021 Dec 31;7(3):653–655. doi: 10.1016/j.ekir.2021.12.035

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© 2022 International Society of Nephrology. Published by Elsevier Inc.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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(a) Correlation between the number of participants in the survey and the cumulative number of hospitalizations for COVID-19. The colored areas reveal the cumulative number of hospitalizations from March 15, 2020, to May 1, 2021, by territorial department (France: national data SIVIC data.gouv.fr & Laboratoire Icube CHRU Strasbourg, Dr. Fabacher et al./Belgium: national federal institute “Sciensano”), and the diameter of red dots is proportional to the number of participants. (b) Adjectives used by residents to characterize their work. Specific words used by residents to characterize the time-period, using the online software www.nuagedemots.fr revealing in visual form the frequency of the words used.