jueves, 9 de agosto de 2012

Hemorrhagic Fevers: MedlinePlus

Hemorrhagic Fevers: MedlinePlus

 
A service of the U.S. National Library of Medicine
From the National Institutes of HealthNational Institutes of Health


Hemorrhagic Fevers

Also called: VHFs 
 
 
Viral hemorrhagic fevers (VHFs) are a group of illnesses caused by four families of viruses. These include the Ebola and Marburg viruses and Lassa fever virus. VHFs have common features: they affect many organs, they damage the blood vessels and they affect the body's ability to regulate itself. Some VHFs cause mild disease, but some, like Ebola or Marburg, cause severe disease and death.
VHFs are found around the world. Specific diseases are usually limited to areas where the animals that carry them live. For example, Lassa fever is limited to rural areas of West Africa where rats and mice carry the virus.
The risk for travelers is low, but you should avoid visiting areas where there are disease outbreaks. Because there are no effective treatments for some of these viral infections, there is concern about their use in bioterrorism.
Centers for Disease Control and Prevention


Micrograph of human hepatocytes infected with the Ebola virus

MEDICAL ENCYCLOPEDIA  

National Institutes of Health

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