hemorrhagic fever

noun Pathology.
any of several arbovirus infections, as dengue, characterized by fever, chills, and malaise followed by hemorrhages of capillaries, sometimes leading to kidney failure and death.
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American Heritage
Medical Dictionary

hemorrhagic fever n.
A syndrome that occurs in perhaps 20 percent to 40 percent of infections by certain arboviruses and is marked by high fever, scattered petechiae, bleeding from the gastrointestinal tract and other organs, hypotension, and shock.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
hemorrhagic fever   (hěm'ə-rāj'ĭk)  Pronunciation Key 
Any of a group of viral infections, including dengue, Ebola virus infection and yellow fever, that occur primarily in tropical climates, are usually transmitted to humans by arthropods or rodents, and are characterized by high fever, internal bleeding, hypotension, and eventual shock.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

hemorrhagic fever

any of a variety of highly fatal viral diseases that are characterized by massive external or internal bleeding or bleeding into the skin. Other symptoms vary by the type of viral hemorrhagic fever but often include fever, malaise, muscle aches, vomiting, and shock. Most viral hemorrhagic fevers are geographically restricted because they are transmitted by specific animal or insect hosts (reservoirs) that occupy narrow and sometimes localized ecological niches. Viral hemorrhagic fevers are caused by viruses of four families: Flaviviridae, Arenaviridae, Bunyaviridae, and Filoviridae.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
The virus, named for the river valley where it was found, causes a deadly hemorrhagic fever.
Severe symptoms include jaundice and hemorrhagic fever.
Most of the soldiers eventually recovered, and the mysterious ailment was later identified as epidemic hemorrhagic fever.
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