When a family member has been sick — with the flu, a stomach bug, COVID-19, or another contagious illness — the goal after their recovery is clear: reduce the viral and bacterial load in the home to protect everyone else. This is different from routine cleaning, and the distinction between cleaning, sanitizing, and disinfecting matters practically for how you approach the task.

Cleaning vs. Sanitizing vs. Disinfecting

These three terms are often used interchangeably but mean different things. Cleaning physically removes dirt, dust, and biological matter from surfaces — it reduces the germ count but doesn’t kill germs. Sanitizing reduces germs to a safe level (as defined by public health standards) but doesn’t necessarily eliminate all of them. Disinfecting kills a defined percentage (typically 99.9% or 99.99%) of specified pathogens on a surface. After a household illness, you want to disinfect — not just clean — the areas and surfaces where the sick person spent time. Only EPA-registered disinfectants, used according to their label instructions, can make this claim.

Where to Focus

High-touch surfaces throughout the home need priority attention: door handles and knobs throughout the house, light switches, television remote controls, bathroom faucets and toilet flush handles, refrigerator handles, cabinet pulls, stair railings, and any shared electronics (tablets, laptops, phones). The sick person’s room requires thorough disinfection of all high-touch surfaces plus the bedside table, any shared furniture, and the floor near the bed. Bathrooms used by the sick person need disinfection of all surfaces, including the sink, faucet, toilet (inside, outside, and flush handle), and any shared items (toothbrush holder, soap dispenser).

The Right Products

Effective disinfecting requires an EPA-registered product with a kill claim for the relevant pathogen — Lysol, Clorox, and similar products are registered and tested. Crucially, these products require dwell time — the surface must remain visibly wet for the time specified on the label (often 30 seconds to 10 minutes, depending on the product and the pathogen) to actually disinfect rather than just clean. A quick spray-and-wipe that doesn’t maintain contact time is cleaning, not disinfecting. Read the label. Alcohol-based solutions of 70% isopropyl or ethyl alcohol are effective on hard surfaces and electronics (spray a cloth, not the device directly). Hydrogen peroxide at 3% concentration is effective and safer for colored fabrics.

Laundry

Wash the sick person’s bedding, pajamas, and towels immediately after their recovery (or during illness if practical). Use the hottest water setting the fabric can tolerate, and add laundry sanitizer (like Lysol Laundry Sanitizer) if the items can’t be washed in hot water. Dry fully on high heat. Avoid shaking soiled laundry before washing — this releases virus particles into the air. Wash your hands after handling the laundry even before washing it.

Air Quality

Many respiratory illnesses spread via aerosols that remain suspended in indoor air. Once the sick person has recovered and left the room, open windows to ventilate the space if outdoor conditions allow (Las Vegas air quality varies — check the AQI if you’re in the summer or after a dust event). Run the room’s HVAC with a fresh filter. A HEPA air purifier running in the sick room during and after illness helps reduce airborne viral load. Replace the HVAC filter after a significant illness in the household, as viral particles and bacteria can accumulate on filter media.

Protecting Yourself While Cleaning

When cleaning after illness, wear disposable gloves and, for stomach illnesses in particular, consider a face mask. Stomach bugs like norovirus are highly contagious and survive on surfaces for days — the cleaning process itself can expose you to contamination if you’re not careful. Dispose of gloves and masks after use (don’t reuse them in a different area of the house), and wash your hands thoroughly with soap and water for at least 20 seconds after removing gloves.