318K views · 3.5K reactions | Collecting specimens from the surface of the respiratory mucosa with nasopharyngeal swabs is a procedure used to diagnose Covid-19 as well as other respiratory viral infections and certain bacterial infections in adults and children. This video describes the collection of specimens for detection of Covid-19. #COVID19 #SARSCoV2 https://nej.md/3bdP7El | The New England Journal of Medicine | Facebook