The case of human hantavirus infections occur sporadically, usually in rural areas where forests, fields, and farms offer a suitable habitat for the rodent hosts of the virus. The area around the home or office where the rats can live (eg, houses, barns, outbuildings, and barn) are potential sites where people can be exposed to the virus. In the US and Canada, Sin Nombre hantavirus is responsible for most cases of hantavirus infection. Host Sin Nombre virus is (Peromyscus maniculatus), present throughout the western and central United States and Canada.
Some other hantaviruses are capable of causing hantavirus infection in the US. The New York hantavirus, carried by, associated with cases of HPS in the northeastern United States. The Black Creek hantavirus, carried by, is found in the southeastern United States. HPS cases have been confirmed elsewhere in the Americas, including Canada, Argentina, Bolivia, Brazil, Chile, Panama, Paraguay, and Uruguay.
hantaviruses that cause human disease in the United States is not known to be transmitted by animals other than certain species of rodents. Dogs and cats are not known to carry hantavirus; However, they can bring infected rodents into contact with people if they catch the animals and bring them home.
In the United States, the deer mouse (along with cotton rats and in the countries of southeast and white-footed mice in the Northeast) are reservoirs of hantaviruses. Mice shed the virus in their urine, feces, and saliva. The virus is mainly transmitted to people when they breathe air contaminated with the virus.
When fresh rodent urine, droppings, or nesting material stirred up, small droplets containing the virus get into the air. This process is known as “”
There are several ways other rodents may spread hantavirus to people.
hantaviruses that cause human disease in the United States can not be transmitted from one person to another. For example, you can not get the virus from touching or kissing someone who has HPS or health worker who has treated someone with the disease.
In Chile and Argentina, rare cases of person-to-person transmission has occurred among close contacts of the sick person with this type of hantavirus called Andes virus.
anyone who comes into contact with rodents that carry hantavirus risk of HPS. rodent infestation in and around the home remains the main risk for hantavirus exposure. Even healthy people at risk of infection if exposed to the virus HPS.
Any activity that puts you in contact with rodent feces, urine, saliva, or nesting materials can put you at risk for infection. Hantavirus is the spread when virus-containing particles of rodent urine, droppings, or saliva stirred into the air. It is important to avoid any action that dust raise, such as sweeping or vacuuming. Infection occurs when you breathe in the virus particle.
The opening or cleaning cabins, sheds, and other buildings, including barns, garage and storage facilities, which had been closed during the winter is a potential risk for hantavirus infection, especially in rural areas.
cleaning in and around your own home can put you at risk if the mice have made their home as well. Many homes can expect to rodents a place to stay, especially as the weather turns cold. Please see our prevention information on how to properly clean the area rat-infested.
Construction, utility and pest control workers can be exposed to when they are working in crawl spaces, under houses, or in vacant buildings that may have mice population.
Campers and hikers can also be exposed when they use the full trail shelters or camp in the habitat of other rodents.
hit chance hantavirus is greatest when people work, play, or live in closed spaces where rodents are active life. However, recent research shows that many people who have become ill with HPS are infected with the disease after further contact with mice and / or their droppings. In addition, many people who have contracted HPS reported that they did not see the mice or their droppings before becoming ill. Therefore, if you live in an area where rodents carrier, such as deer, are known to live, take precautions even make sense if you do not see the mice or their droppings.
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