| umls-concept:C0019104 | skos:definition | MSH: A group of viral diseases of diverse etiology but having many similar clinical characteristics; increased capillary permeability, leukopenia, and thrombocytopenia are common to all. Hemorrhagic fevers are characterized by sudden onset, fever, headache, generalized myalgia, backache, conjunctivitis, and severe prostration, followed by various hemorrhagic symptoms. Hemorrhagic fever with kidney involvement is HEMORRHAGIC FEVER WITH RENAL SYNDROME.,CSP: syndrome that occurs in perhaps 20-40 percent of infections by a number of different viruses of the families Arenaviridae, Bunyaviridae, Flaviviridae, Filoviridae, etc; some types of hemorrhagic fever are tick borne, others mosquito borne, and some seem to be zoonoses; clinical manifestations are high fever, scattered petechiae, gastrointestinal tract and other organ bleeding, hypotension, and shock; kidney damage may be severe and neurologic signs may appear.,MEDLINEPLUS: <p>Viral hemorrhagic fevers (VHFs) are a group of illnesses caused by four families of | lld:umls |
