What gastroenterologists should know about SARS–CoV 2 vaccine: World Endoscopy Organization perspective

Marco Spadaccini, Lorenzo Canziani, Alessio Aghemo, Ana Lleo, Roberta Maselli, Andrea Anderloni, Silvia Carrara, Alessandro Fugazza, Gaia Pellegatta, Piera Alessia Galtieri, Cesare Hassan, David Greenwald, Mark Pochapin, Michael Wallace, Prateek Sharma, Thomas Roesch, Pradeep Bhandari, Fabian Emura, Gottumukkala S. Raju, Alessandro Repici

Research output: Contribution to journalArticlepeer-review


Background: The novel Coronavirus (SARS-CoV-2) has caused almost 2 million deaths worldwide. Both Food and Drug Administration and European Medicines Agency have recently approved the first COVID-19 vaccines, and a few more are going to be approved soon. Methods: Several different approaches have been used to stimulate the immune system in mounting a humoral response. As more traditional approaches are under investigation (inactivated virus vaccines, protein subunit vaccines, recombinant virus vaccines), more recent and innovative strategies have been tried (non-replicating viral vector vaccines, RNA based vaccines, DNA based vaccines). Results: Since vaccinations campaigns started in December 2020 in both the US and Europe, gastroenterologists will be one of the main sources of information regarding SARS-CoV 2 vaccination for patients in their practice, including vulnerable patients such as those with Inflammatory Bowel Disease (IBD), patients with chronic liver disease, and GI cancer patients. Conclusions: Thus, we must ourselves be well educated and updated in order to provide unambiguous counseling to these categories of vulnerable patients. In this commentary, we aim to provide a comprehensive review of both approved COVID-19 vaccines and the ones still under development, and explore potential risks, benefits and prioritization of vaccination.

Original languageEnglish (US)
Pages (from-to)787-796
Number of pages10
JournalUnited European Gastroenterology Journal
Issue number7
StatePublished - Sep 2021


  • Coronavirus
  • endoscopy
  • prevention
  • public health
  • vaccine

ASJC Scopus subject areas

  • Oncology
  • Gastroenterology


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