What Increases Your Risk
The risks of developing
hantavirus pulmonary syndrome (HPS) are increased if
you breathe in tiny airborne particles formed when
rodents urinate or if you come into direct contact
with infected rodent urine, saliva, or droppings. Bites from infected rodents
also may increase your risk of developing HPS, although this is a rare method
of infection.
People who live in or visit rural areas, especially in western Canada and the western
United States, have an increased risk of coming into contact with rodents
infected with hantaviruses, because the deer mouse (Peromyscus
maniculatus) is common in these areas. Other areas of Canada and the U.S. also have
rodents that may carry hantaviruses.
Hantavirus infection also may be more likely to occur if
you:
- Live in a home, cabin, or other dwelling where
rodents have nested or are nesting.
- Clean barns and other
outbuildings where rodents have nested.
- Disturb rodent burrows
while hiking or camping.
- Plant or harvest field
crops.
- Live in or visit areas in which the rodent population has
increased.