Hantavirus: Know the Risks, Stay Safe
June 03, 2026
Understanding Hantavirus
Hantavirus is a rare viral illness that spreads primarily through contact with infected rodents, especially mice. The virus is found in rodent urine, droppings and saliva. People most often become infected by breathing in contaminated particles after disturbing dust in enclosed or poorly ventilated spaces.
Although hantavirus infections are uncommon, they can be severe. Awareness and prevention are essential, particularly for people who live or work in environments where rodents may be present.
Why Hantavirus Can Be Serious?
Early symptoms of hantavirus infection often resemble the flu, making the illness easy to overlook at first. In some cases, the condition can worsen quickly, affecting the lungs and leading to serious breathing difficulties.
Early symptoms may include:
- Fever and chills
- Muscle aches and fatigue
- Headache or dizziness
- Nausea or abdominal pain
Shortness of breath or a persistent cough are warning signs that require immediate medical attention, especially following possible rodent exposure.
How Infection Occurs?
Most infections happen when people enter or clean areas that have been closed for long periods and show signs of rodent activity. Sweeping, vacuuming or disturbing rodent droppings or nests can release contaminated particles into the air.
Exposure may occur at home, at work or during outdoor activities such as farming or camping.
Practical Steps to Stay Safe
Reducing contact with rodents and their waste is the most effective way to prevent infection.
Keep Rodents Out
- Seal cracks and gaps in walls, doors and windows
- Store food in tightly sealed, rodent‑proof containers
- Dispose of garbage regularly and keep areas clean
Clean Safely
- Ventilate closed spaces for at least 30 minutes before cleaning
- Avoid sweeping or vacuuming rodent droppings
- Wear gloves and use disinfectant to wet and remove waste safely
Be Cautious Outdoors
- Avoid touching rodents, alive or dead
- Use protective gloves when working in farms, storage areas or campsites
When to Seek Medical Care?
If you develop flu‑like symptoms after possible exposure to rodents, seek medical advice promptly. Early assessment allows healthcare providers to monitor symptoms and provide appropriate care.
A Wellbeing Reminder
Protecting your health is an important part of overall wellbeing. By staying informed and taking simple preventive measures, you can significantly reduce your risk and help keep your family safe.
For more information or support, book an appointment with Primary Care at Johns Hopkins Aramco Healthcare through MyChart or by calling 800-305-4444.