3 Ways a Mouse Can Kill You

When it comes to household pests, mice often rank lower on the fear list than rats, centipedes, or raccoons. But don’t be fooled: regardless of their size and perceived cuteness, mice can be dangerous—and even deadly—to humans.

Three ways a mouse could put you at serious risk:

1. Deadly bacteria and viruses

• Leptospirosis: spread through contact with rodent urine; can cause liver and kidney failure.
• Salmonellosis: contracted by consuming food or water contaminated with rodent feces.
• Tularemia: transmitted via bite or scratch; causes severe fever and can be dangerous for children and the elderly.
• Hantavirus: airborne particles from urine, droppings, or saliva can lead to Hantavirus Pulmonary Syndrome (HPS), a rapidly progressive respiratory illness.

2. Electrical fires

Mice readily gnaw on wiring behind walls, in attics, and in basements—damaging HVAC, appliances, and more. This doesn’t just lead to costly repairs; it raises the risk of an electrical fire. The larger the infestation, the higher the likelihood of wiring damage.

In the U.S., there are more than 50,000 home electrical fires annually, resulting in hundreds of deaths. Rodent-damaged wiring is one of the contributing factors.

3. Dangerous parasites

Mice commonly carry mites, fleas, and ticks. Bites from these parasites can transmit serious diseases, including:

• Bubonic plague: spread by rodent fleas; causes fever and characteristic skin lesions.
• Lyme disease: spread by ticks; can cause fever, skin lesions, headaches, joint pain, and—in some cases—serious complications.
• Pox: transmitted by mites; can cause lesions, fever, and headaches.
• Typhus: spread by fleas; can lead to severe systemic illness.

These risks are magnified for people with compromised immunity, young children, and older adults—and you don’t need direct contact with a mouse to be exposed.

Protect your household

To reduce risk from pathogens, parasites, and wiring damage, act quickly at the first sign of activity. The Goodnature™ A24 Rat & Mouse Trap is a quick-kill, self-resetting solution that uses a CO₂-powered strike. When a mouse approaches the bio-attractant lure, the trap activates instantly—then automatically resets—so you can proactively reduce populations without constant re-baiting or monitoring.