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A surgical mask, also known by other names such as a medical face mask or procedure mask, is a personal protective equipment used by healthcare professionals that serves as a mechanical barrier that interferes with direct airflow in and out of respiratory orifices (i.e. nose and mouth).
If worn properly, a surgical mask is meant to help block large-particle droplets, splashes, sprays, or splatter that may contain viruses and bacteria, keeping them from reaching the wearer's mouth and nose. Surgical masks may also help reduce exposure of others to the wearer's saliva and respiratory secretions.
FFP standards refer to the filtering half mask classification by EN 149, a European standard of testing and marking requirements for filtering half masks. FFP standard masks (where FFP stands for filtering facepiece) cover the nose, mouth and chin and may have inhalation and/or exhalation valves.
v. t. e. Personal protective equipment ( PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards, and airborne particulate matter.
Timeline CDC poster recommending the use of non-medical face masks to slow transmission of COVID-19. 2020 Early recommendations. Initially, the U.S. government did not recommend the use of face masks by the general public outside of medical settings to protect themselves from COVID-19, as to prevent shortages of medical-grade personal protective equipment (PPE) for doctors treating COVID-19 ...
External videos. Hazard controls for COVID-19 in workplaces are the application of occupational safety and health methodologies for hazard controls to the prevention of COVID-19. Vaccination is the most effective way to protect against severe illness or death from COVID-19. Multiple layers of controls are recommended, including measures such as ...