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Rodents That Carry Hantavirus - Topic Overview

Hantaviruses are found in the saliva, urine, and droppings of infected rodents, which show no signs of illness.

In the United States, at least four hantaviruses are known to cause hantavirus pulmonary syndrome (HPS). Each hantavirus is carried by a specific rodent:

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  • Sin Nombre virus (SNV) is carried by the deer mouse and is found throughout North America. SNV causes the majority of HPS cases in the U.S.
  • New York virus is carried by the white-footed mouse and is found mostly in southern New England and the mid-Atlantic, southern, midwestern, and western states.
  • Bayou virus is carried by the rice rat and is found mostly in Louisiana and Texas.
  • Black Creek Canal virus is carried by the cotton rat and is found mostly in Florida.

Other rodents may carry hantaviruses, but they have not been identified. Also, other related viruses cause a spectrum of diseases called hemorrhagic fever with renal syndrome (HFRS). Many of the first symptoms of HFRS resemble hantavirus pulmonary syndrome. But the later symptoms of HFRS may include high fever, kidney failure, and bleeding disorders.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: February 22, 2012
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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