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.
|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.
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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