What should you do if a mouse has died in the apartment? - briefly
Wear disposable gloves, put the dead rodent in a sealed plastic bag, and dispose of it in an outdoor trash bin; afterward, clean the spot with a disinfectant and seal any gaps or holes to deter further entry.
What should you do if a mouse has died in the apartment? - in detail
When you find a deceased rodent in your residence, take immediate, systematic action to protect health and prevent further problems.
First, secure the area. Close doors to adjoining rooms, open windows for ventilation, and keep pets and children away. Wear disposable gloves and, if available, a mask to limit exposure to potential pathogens.
Next, remove the carcass. Use a plastic bag or a sealable container, place the mouse inside, and seal tightly. Discard the bag in an outdoor trash receptacle that is regularly emptied. If local regulations require, place the container in a sealed box before disposal.
After removal, clean the site thoroughly. Apply a disinfectant solution—such as a diluted bleach mixture (one part bleach to nine parts water) or an EPA‑approved sanitizer—to the floor, walls, and any surfaces the animal contacted. Allow the solution to remain for the recommended contact time, then wipe with a clean cloth and let the area dry.
Inspect surrounding spaces for signs of infestation: droppings, gnaw marks, or entry points. Seal cracks, gaps around pipes, and openings in walls or floors with steel wool and caulk. Replace any damaged food packaging and store pantry items in airtight containers.
Finally, monitor the situation. Check traps or bait stations regularly for new activity. If evidence of a larger population appears, consider professional pest control to address the underlying issue safely and effectively.