Autopsy, airway aspiration and cardiopulmonary resuscitation are among the list of medical procedures that pose the greatest risk of spreading COVID-19 from a patient to their healthcare provider, according to research published Wednesday in the journal BMJ Open Respiratory Research. 
The aim of the study, which was conducted by occupational health, preventive medicine and infectious disease specialists, led by researchers at the University of Alberta, is to prevent healthcare professionals from being infected with COVID-19, which aims to protect healthcare professionals from infection and to maintain staffing levels in healthcare systems during the pandemic.
Because aerosols are released during such procedures, workers should wear filter masks with respirators, known as N95 masks, along with other personal protective equipment such as gloves, dresses, and eye protection, according to University of Alberta professor of medicine Sebastian Straube, who led the study. .
"PPEs usually appear at the bottom of the hazard control hierarchy," Straube said in the report. "Elimination of the hazard or compensation as well as technical and administrative approaches to hazard control should also be considered."
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