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Surface Transmission Can Be Prevented By Disinfecting

On Monday, the Centers for Disease Control and Prevention said the risk of Surface Transmission of Covid-19 is low. More important than this is the airborne transmission. The people who obsessively disinfect the surfaces may be doing more harm than good. Vincent Hill, Chief of the Waterborne Disease Prevention Branch, said, “CDC determined that the risk of Surface Transmission is low, and secondary to the primary routes of virus transmission through direct contact droplets and aerosols.”

Hill said that the risk of transmission from touching the surface is smaller but is elevated indoors. Outdoors, there are factors like the sun and other factors that can destroy the viruses. On porous surfaces, the virus dies rapidly but can persist longer on hard and indoor services. Research also suggests that Surface Transmission is likely in the first 24 hours after a person is infected.

The households with one person being Covid-19 positive did have lower transmission levels when the household had cleaned and disinfected the surfaces. CDC said that keeping surfaces clean is not a waste of time ad it is the only way to reduce the risks. Updated guidance for cleaning and disinfecting surfaces has been provided in community settings in light of the transmission risk.

Hill said, “In most situations, cleaning surfaces using soap or detergent, and not disinfecting, is enough to reduce the already low risk of virus transmission through surfaces. Disinfecting surfaces is typically not necessary unless a sick person or someone positive for COVID-19 has been in the home within the last 24 hours.”

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