Do not sweep, vacuum, or dust-brush rodent droppings, urine, or nesting material. Dry disturbance is the main way hantavirus reaches human lungs.
Step 1 — Leave and ventilate
Back out of the space and open windows and exterior doors for at least 30 minutes before you return. For a closed cabin, shed, garage, or crawlspace, give it an hour or more. Ventilation before cleaning is the single most effective thing you can do, and it costs nothing.
Step 2 — Put on protection
- An N95 respirator (a cloth or surgical mask does not filter these particles)
- Rubber, latex, vinyl, or nitrile gloves
- Eye protection, especially for overhead work in attics
- Clothes you can wash in hot water immediately afterwards
Step 3 — Wet everything before you touch it
Spray droppings, urine stains, and nesting material with a 1:10 bleach-water solution or a registered disinfectant and let it soak for a full five minutes. Do not rush this part — soaking is what stops particles from becoming airborne when you wipe.
Step 4 — Wipe, bag, and seal
- Wipe up soaked material with paper towels or disposable rags.
- Place everything, including used towels, into a plastic bag and seal it.
- Double-bag and place it in an outdoor covered bin.
- Mop or sponge the surrounding floor and surfaces with the same disinfectant.
Step 5 — Handle textiles and hands
Wash exposed bedding, curtains, and clothing in hot water with detergent, or dry-clean them. Remove gloves last, then wash your hands and forearms thoroughly with soap and water. Do not reuse a disposable respirator that has been in a heavily soiled space.
Step 6 — Stop them coming back
Cleanup without exclusion just resets the clock. Seal gaps larger than a quarter inch around pipes, vents, and doors; move food into sealed containers; clear woodpiles and brush away from the walls. The full checklist is in our rodent control guide.
Step 7 — Watch yourself for six weeks
Write down today's date. Hantavirus incubation runs roughly one to eight weeks, so symptoms can start well after you have forgotten about the cleanup. Fever, severe muscle aches, headache, and fatigue are the early phase. If shortness of breath develops, seek emergency care and tell the clinician about the rodent exposure — that history is what prompts the right test. See symptoms for the full timeline.
When to call a professional
- Heavy or long-standing infestations with widespread droppings and nests
- Enclosed spaces such as sealed cabins, attics, or ductwork
- Rodent nesting inside a vehicle's ventilation system
- Anyone who is pregnant, immunocompromised, or has lung disease doing the cleanup
Common questions
Sources
- U.S. Centers for Disease Control and Prevention — Cleaning Up After Rodents.
- World Health Organization — Hantavirus disease fact sheet.