Facemask ventilation of patients for surgery does not increase the risk of spread of COVID-19

New research published in Anaesthesia (a journal of the Association of Anaesthetists) says that the use of facemask ventilation during routine surgery should not be classed as an aerosol-generating procedure and does not increase the risk of COVID-19 transmission compared with normal breathing/coughing of patients.

source https://medicalxpress.com/news/2021-10-facemask-ventilation-patients-surgery-covid-.html