METHODS
PubMed, Scopus, and Ovid were searched for English-language articles.
The search terms “covid”, “COVID-19”,
“SARS-CoV-2”,“coronavirus”, “bronchoscopy”, “bronchoscope”,
“esophagoscopy”, “laryngoscopy” were used to construct the search
function. Literature published by organizations online which was not
peer-reviewed was also included in this study. The same search terms
used in databases were used in the Google search engine. Guidelines
relevant to bronchoscopy in regard to COVID-19 were included.
Unpublished documents from the author’s affiliated institutions were
also reviewed.