Gas leakage from the biopsy valve: Does it matter in the era of COVID-19?

Coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become a worldwide pandemic. It may transform itself in a succession of outbreaks and quiescent periods, requiring prolonged vigilance, as happened with the 1918 influenza pandemic, the most severe pandemic in history, which occurred in three waves. Nevertheless, return to routine endoscopy cannot be much deferred, as delayed...