Cleaning and disinfecting are paramount to preventing COVID-19 contamination from spreading into and throughout one’s household. Texas A&M AgriLife Research—Institute for Infectious Animal Diseases, IIAD, experts offer guidelines for keeping safe.

This information was compiled by Sarah Caffey, program manager; Jessica Cargill, assistant director; Heather Simmons, DVM, associate director; and Melissa Berquist, Ph.D., director, all in College Station.

All the guidelines were gathered from the CDC Recommendations for Cleaning and Disinfection.

• General guidelines for cleaning and disinfection in household settings
• Cleaning: The process of removing dirt and germs from a surface or item.
• This process alone does not kill germs.
• Removing as many germs as possible lowers their risk of spreading.
• Disinfecting: The process of using chemicals to kill germs on surfaces.
• Does not necessarily clean dirty surfaces.
• Killing germs by disinfecting after cleaning lowers the risk of germs spreading.

For households without suspected or confirmed illness

Practice the following preventive actions:

• Clean the most frequently touched surfaces and objects in your household daily (e.g., mobile phones, tables, countertops, faucets, switches, doorknobs, etc.) using water and a regular household cleanser.
• Before applying a disinfectant, all dirty surfaces should first be cleaned using water and a regular household cleanser.
• Be sure to follow the manufacturer’s instructions for all cleaning and disinfecting products.

Recommendations for cleaning and disinfecting households with residents in self-isolation, either suspected or confirmed to have COVID-19

General Guidelines:

• Clean and disinfect frequently touched surfaces and objects daily—especially those in common areas such as mobile phones, remotes, tables, chairs, doorknobs, switches, handles, desks, toilets and sinks.
• If possible, designate a dedicated bedroom and bathroom for the ill person and only clean and disinfect those areas as needed to minimize contact.
• Further minimize contact by providing a set of personal cleaning supplies including tissues, paper towels, cleaners and disinfectants for the ill person to use in their designated space, unless the ill person is a child unable to handle the supplies.
• If the ill person is sharing a bathroom with others in the household, that space should be cleaned and disinfected each time after an ill person uses it.

How to clean and disinfect:

Surfaces

• Wear disposable gloves.
• Discard gloves after each use.
• Clean hands immediately after removing gloves.
• Use a detergent or soap and water to clean prior to disinfection.
• For disinfection, diluted household bleach solutions, alcohol solutions with at least 70% alcohol, or most common EPA-registered household disinfectants should be effective.
• Two options for creating your own bleach solution: Mix 5 tablespoons or 1/3 cup of bleach per gallon of water; or mix 4 teaspoons of bleach per quart of water.
• For soft and porous surfaces such as carpet, drapes and rugs, first remove any visible dirt and then clean with products designated for use on these surfaces.

Laundry items

• Wear disposable gloves when handling dirty laundry from a sick person and discard the gloves after use.
• If you do not have gloves to use, wash your hands immediately after handling dirty laundry.
• Do not shake dirty laundry—this could spread virus particles through the air.
• Wash items using the warmest appropriate water setting and dry them completely.
• It is okay to wash dirty laundry from a sick person with items from other people.
• Clean and disinfect hampers according to guidance for surfaces or place a liner in the hamper that can either be laundered or thrown out after each use.

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