Touching mucous membranes with hands that have been soiled either directly by virus-containing respiratory fluids or indirectly by touching surfaces with virus on them. Deposition of respiratory droplets and particles on exposed mucous membranes in the mouth, nose, or eye by direct splashes and sprays.ģ.
Inhalation of very fine respiratory droplets and aerosol particles.Ģ.
Exposure occurs in three principal ways:ġ.
The principal mode by which people are infected with SARS-CoV-2 (the virus that causes COVID-19) is through exposure to respiratory fluids carrying infectious virus. While minimizing associated energy penalties. ISO 16890 Ratings | High-Efficiency Particulate Air (HEPA) Filters | Electronic Air Filters | Gas-Phase Air Cleaners | Ultraviolet Energy (UV-C) | UV-C LEDs | UV-C In-Duct Air Disinfection | Details on the UV Dose Recommendation for SARS-CoV-2 | UV-C Upper-Air Disinfection | UV-C In-Duct Surface Disinfection | UV-C Portable Room Decontamination | Special Precautions | Photocatalytic Oxidation (PCO) and Gaseous Hydrogen Peroxide | Photocatalytic Oxidation (PCO) | Bipolar Ionization/Corona Discharge/ Needlepoint Ionization and Other Ion or Reactive Oxygen Air Cleaners | CDC Position on Emerging Technologies for Air Cleaning | Ozone | In-Room or Portable Air Cleaners | Combining Air Cleaning Options | Chemical Disinfectants | Vaporized Hydrogen Peroxide (VHP) | Pulsed Xenon (Pulsed UV) | 405 nm Visible Light | Far Ultraviolet | Summary | HVAC System Maintenance and Filter Replacement during the COVID-19 Pandemic | Transmission Through Air in Toilet Rooms | Facilities/Maintenance – PPE Basics | Disclaimer 
Summary | CDC Science Brief on Transmission | Modes of Transmission | Airborne Transmission Statement & Core Recommendations | Mechanical Air Filters | ASHRAE MERV vs. In-Room Air Cleaner Guidance for Reducing Covid-19 In Air In Your Space/RoomĬore Recommendations for Reducing Airborne Infectious Aerosol Exposure Guidance for Small Temporary Dining Structures
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