How do I disinfect surfaces during the coronavirus disease pandemic?
In non-health care settings, sodium hypochlorite (bleach / chlorine) may be used at a recommended concentration of 0.1% or 1,000ppm (1 part of 5% strength household bleach to 49 parts of water).
Alcohol at 70-90% can also be used for surface disinfection.
Surfaces must be cleaned with water and soap or a detergent first to remove dirt, followed by disinfection.Cleaning should always start from the least soiled (cleanest) area to the most soiled (dirtiest) area in order to not spread the dirty to areas that are less soiled..
How can I protect myself and others when using disinfectants?
Disinfectant solutions should always be prepared in well-ventilated areas. Wash your hands after using any disinfectant, including surface wipes. Keep lids tightly closed when not in use. Spills and accidents are more likely to happen when containers are open. Do not allow children to use disinfectant wipes. Keep cleaning fluids and disinfectants out of the reach of children and pets.Throw away disposable items like gloves and masks if they are used during cleaning. Do not clean and re-use.Do not use disinfectant wipes to clean hands or as baby wipes.
Are public systems for disinfecting individuals (spraying in tunnels or chambers) recommended?
Spraying of individuals with disinfectants (such as in a tunnel, cabinet, or chamber) is not recommended under any circumstances. This practice could be physically and psychologically harmful and would not reduce an infected person’s ability to spread the virus through droplets or contact. Even if someone who is infected with COVID-19 goes through a disinfection tunnel or chamber, as soon as they start speaking, coughing or sneezing they can still spread the virus.
Is fumigation effective against the coronavirus disease?
In indoor spaces, routine application of disinfectants to environmental surfaces by spraying or fogging (also known as fumigation or misting) is not recommended for COVID- 19.One study has shown that spraying as a primary disinfection strategy is ineffective in removing contaminants outside of direct spray zones.