Hantavirus is a serious infection that affects the lungs.
Virus Attacking a Cell
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Hantavirus is caused by a virus. It is transmitted when a person comes into contact with rodents that are infected with the virus or infected rodents' urine or droppings. In the United States, the deer mouse is the rodent most likely to carry hantavirus infection. Hantavirus infection cannot be passed between humans.
Factors that may increase your chance of hantavirus infection include:
Your doctor will ask about your symptoms and medical history. A physical exam will be done.
Your doctor may need to test your bodily fluids. This can be done with blood tests.
Your doctor may also need pictures of your chest. This can be done with a chest x-ray .
There is no specific treatment for hantavirus infection. Treatment will focus on treating your symptoms, providing breathing support, and making you comfortable.
The best way to prevent hantavirus infection is to control rodent infestation in and around your home. This involves sealing rodent entry holes or gaps with steel wool, lath metal, or caulk; trapping rodents using snap traps; and cleaning rodent food sources and nesting sites. In addition, take the following precautions when cleaning rodent-infested areas:
It is helpful to be aware of activities that may put you in contact with infected mice, their droppings, and their urine. This may include returning tools to sheds, caring for animals in barns, and sweeping or cleaning building spaces. Farm workers may also be at risk from deer mouse bites. While common house mice have not proven to be major carriers of the virus, deer mice are often found in park areas, even within cities. Follow the precautions above when entering spaces that may be contaminated.
American Lung Association
Centers for Disease Control and Prevention
Canadian Centre for Occupational Health and Safety
Public Health Agency of Canada
Cline BJ, Carver S, et al. Relationship of human behavior within outbuildings to potential exposure to Sin Nombre virus in Western Montana. Ecohealth. 2010;7(3):389-393.
Dizney L, Jones PD, et al. Natural history of Sin Nombre virus infection in deer mice in urban parks in Oregon. J Wildl Dis. 2010;46(2):433-441.
Hantavirus. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/hantavirus/hps. Updated November 1, 2012. Accessed January 4, 2013.
Hantavirus pulmonary syndrome. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated September 14, 2012. Accessed January 4, 2013.
Mills JN, Amman BR, et al. Ecology of hantaviruses and their hosts in North America. Vector Borne Zoonotic Dis. 2010;10(6):563-574.
Simpson SQ, Spikes L, et al. Hantavirus pulmonary syndrome. Infect Dis Clin North Am. 2010;24(1):159-173.
Last reviewed December 2014 by David L. Horn, MD, FACP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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