A summary of the CDC’s guidelines follows:
Wear disposable gloves (e.g. nitrile or latex) when cleaning and disinfecting surfaces. Disposable gloves are single-use and should be discarded after each cleaning. If disposable gloves are not available, and reusable gloves (e.g. dishwashing gloves) are used instead, those gloves should be dedicated for cleaning and disinfection of surfaces for COVID-19 and should not be used for other purposes. Consult the manufacturer’s instructions for cleaning and disinfection of products used. Wash hands with soap and water immediately after gloves are removed.
If surfaces are dirty, they should be cleaned using a detergent or soap and water prior to disinfection.
Focus on disinfecting other commonly touched surfaces such as keyboards/mouse, touchscreens, furniture (e.g. desk chair arms), coffee pot and refrigerator handles, etc.
For disinfection, diluted household bleach solutions, alcohol solutions with at least 70 percent alcohol, and most common EPA-registered household disinfectants should be effective.
Diluted household bleach solutions can be used if appropriate for the surface. Follow manufacturer’s instructions for application and proper ventilation. Check to ensure the product is not past its expiration date. Never mix household bleach with ammonia or any other cleanser. Unexpired household bleach will be effective against coronaviruses when properly diluted.
Prepare a bleach solution by mixing:
- 5 tablespoons (1/3rd cup) bleach per gallon of water, or
- 4 teaspoons bleach per quart of water, or
- 1-part bleach with 9 parts water
A list of products with EPA-approved emerging viral pathogens claims, maintained by the American Chemistry Council Center for Biocide Chemistries (CBC), is available on the Novel Coronavirus Fighting Products list. Products with EPA-approved emerging viral pathogens claims are expected to be effective against SARS-CoV2. based on data for harder to kill viruses. Follow the manufacturer’s instructions for all cleaning and disinfection products (e.g., concentration, application method and contact time, etc.)
For porous surfaces such as carpeted floor, rugs, and drapes, remove visible contamination if present and clean with appropriate cleaners indicated for use on these surfaces. After cleaning:
- Launder items as appropriate in accordance with the manufacturer’s instructions. If possible, launder items using the warmest appropriate water setting for the items and dry items completely, or
- Use products with the EPA-approved emerging viral pathogens claims that are suitable for porous surfaces.
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