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Letter
SARS-CoV-2 in endoscopy: a potential way of microorganisms’ air transmission
  1. Stanislas Chaussade,
  2. Rachel Hallit,
  3. Einas Abou Ali,
  4. Arthur Belle,
  5. Maximilien Barret,
  6. Romain Coriat
  1. Gastroenterology and Digestive Oncology Department - Université de Paris-GH APHP Centre, Hospital Cochin, Paris, Île-de-France, France
  1. Correspondence to Professor Stanislas Chaussade, Gastroenterology and Digestive Oncology Department- Université de Paris-GH APHP Centre, Hospital Cochin, Paris 75014, Île-de-France, France; stanislas.chaussade{at}gmail.com

https://doi.org/10.1136/gutjnl-2021-324934

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    We read with great interest the recently published study of Boškoski et al 1 concerning the virus transmission through the endoscopes in patients with SARS-CoV-2. The authors found that the samples taken with swabs on the endoscopes immediately after the endoscopic procedure (digestive and pulmonary) were negative for COVID-19. These data are important and show that the risk of patient-to-patient contamination during endoscopy seems very low.

    However, two things must be taken into account. The first one is the delay between the onset of symptoms or the first positive PCR for SARS-CoV-2 and the timing of the samples’ swabs since it has been proven that the viral load of SARS-CoV-2 decreases over time. It would have been interesting to know whether SARS-CoV-2 was positive in the oropharynx of the patients at the time the endoscopy was performed.

    Second, this study did not eliminate …

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    Footnotes

    • Contributors SC: Study conceptualisation, writing and review of the original article. RH: Writing and review of the original draft and editing. RC: Supervision of the study, review of the original draft and editing. MB: Supervision of the study. AB, EAA: Review of the manuscript. All authors provided the final approval of the article before submission.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests SC declared to have a patent number FR2006180 with the Assistance Publique-Hôpitaux de Paris.

    • Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting or dissemination plans of this research.

    • Provenance and peer review Not commissioned; internally peer reviewed.