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The time from infection with the hantavirus to the start of illness is usually about 2 to 3 weeks. Hantavirus pulmonary syndrome advances through two distinct stages. In the first stage, which can last for several days, the most common signs and symptoms are:. As the disease progresses, it can lead to damaged lung tissues, fluid build-up in the lungs, and serious problems with lung and heart function.
Signs and symptoms may include:. The signs and symptoms of hantavirus pulmonary syndrome can worsen suddenly and may quickly become life-threatening. If you have flu-like symptoms that progressively worsen over a few days, see your health care provider. Get immediate medical care if you have trouble breathing.
Hantavirus pulmonary syndrome is a human disease found only in North and South America. Each strain of the hantavirus has a preferred rodent carrier. The deer mouse is the most common carrier of the virus in North America and Central America.
In the United States, most of the infections occur in the states west of the Mississippi River. Other carriers in North America include the rice rat and cotton rat in the Southeast and the white-footed mouse in the Northeast.
Rodent carriers in South America include the rice rat and the vesper mouse. The virus is present in the rodent's urine, feces or saliva. You can come in contact with the virus in the following ways:. Person-to-person transmission of the virus has only been recorded with a strain of the virus found in South America called the Andes virus.
When hantaviruses reach the lungs, they invade tiny blood vessels called capillaries, eventually causing them to leak. Your lungs fill with fluid pulmonary edema , resulting in severe dysfunction of the lungs and heart.
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