Omsk hemorrhagic fever

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Omsk hem·or·rhag·ic fe·ver

a form of epidemic hemorrhagic fever found in central Russia, caused by the Omsk hemorrhagic fever virus, a member of the family Flaviviridae, and transmitted by Dermacentor ticks; associated with gastrointestinal symptoms and hemorrhages but little or no central nervous system involvement.

Omsk hemorrhagic fever (OHF)

an acute infection seen in regions of the former U.S.S.R., caused by a flavovirus transmitted by the bite of an infected tick or by handling infected muskrats. It is characterized by fever, headache, epistaxis, GI and uterine bleeding, and other hemorrhagic manifestations. Treatment is supportive; recovery usually occurs.

Omsk hemorrhagic fever

References in periodicals archive ?
Revised and updated, with full color illustrations, this edition addresses new topics like terrorism, increasing antimicrobial resistance, and climate and ecologic changes, and has new diagrams and new chapters on vaccines, SARS, hepatitis, Crimean-Congo hemorrhagic fever, tick-borne encephalitis and Omsk hemorrhagic fever, human papillomavirus, and mucormycosis.
3% identical to the 654-bp PrM genes of other tick-borne encephalitis complex viruses such as Omsk hemorrhagic fever virus (Kubrin strain), tick-borne encephalitis virus (Sengzhang strain), Powassan virus (LB strain), and Langat virus (TP21 strain).
Analysis of the complete genome of the tick-borne flavivirus Omsk hemorrhagic fever virus.
We found no published reports describing a hemorrhagic disease caused by TBEV, although hemorrhagic manifestation is typical for tick-borne flaviviruses, including Omsk hemorrhagic fever virus (OHFV), Alkhurma virus, and Kyasanur Forest disease virus (9).
Omsk hemorrhagic fever is a zoonosis caused by a flavivirus; the infection is transmitted by muskrats during trapping.