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. 2021 Nov 10:1–15. doi: 10.1159/000520287

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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. 3 — The way to assess the risk of SARS-CoV-2 infection before GI endoscopies and impact of the COVID-19 pandemic on the number of medical staff. a The way to assess the risk of SARS-CoV-2 infection before screening or follow-up endoscopies. b The way to assess the risk of SARS-CoV-2 infection before therapeutic endoscopies. c The way to assess the risk of SARS-CoV-2 infection before urgent endoscopies (on call). d–g The number of medical staff working in the endoscopic units during and after the first wave. d Doctor. e Nurse. f Technician. g Cleaning staff. h The experience of performing endoscopy for patients with a definite diagnosis of COVID-19. i COVID-19 case obviously infected through GI endoscopy. PCR, polymerase chain reaction; CT, computed tomography; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; GI, gastrointestinal.