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. 2021 Mar 31:1–10. doi: 10.1159/000515132

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Copyright © 2021 by S. Karger AG, Basel

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Fig. 2 — Chemosensory improvement and recovery during the initial 4 months. Note that complete improvement/recovery (y-axis) is based on the initial chemosensory loss in the baseline questionnaire. In total, 25/467 participants did not choose to add email addresses for further follow-up and 64 participants did not reply to any of the follow-up questionnaires. As such, the longer duration estimates are based on the 203 participants who filled out one or more follow-up questionnaires. Although the rates of improvement/recovery may be underestimated after day 65 (duration of chemosensory loss in baseline questionnaire), there seems to be a decrease in recovery rates for both senses after 1–2 months. To ensure sufficient data for the graph, the follow-up time displayed was restricted to the mean follow-up time of the follow-up questionnaire participants (128 days).