hemorrhagic fever

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of a group of viral infections, including dengue hemorrhagic fever, Ebola virus disease, and yellow fever, that occur primarily in tropical climates, are usually transmitted to humans by arthropods or rodents, and are characterized by high fever, petechiae, internal bleeding, hypotension, and shock.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun pathology Canadian and US spelling of haemorrhagic fever

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage