Severe acute respiratory syndrome coronavirus 2 prevalence in saliva and gastric and intestinal fluid in patients undergoing gastrointestinal endoscopy in coronavirus disease 2019 endemic areas: Prospective cross-sectional study in Japan.
Shigeta MiyakeKeiichi AshikariShingo KatoTomohiro TakatsuHirofumi KuwashimaHiroaki KanekoKoki NagaiIkue WatariTakamitsu SatoYutaro YamaokaTetsuya YamamotoAkihide RyoShin MaedaAtsushi NakajimaTakuma HigurashiPublished in: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2021)
Asymptomatic patients, even those with no detectable virus in their saliva, had SARS-CoV-2 in their gastrointestinal tract. Endoscopy medical staff should be aware of infection when performing procedures. The study was registered as UMIN000040587.