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|Title:||Viral Hemorrhagic Fevers||Authors:||Wilder-Smith, A.||Keywords:||Arenavirus
Crimean-Congo hemorrhagic fever viruses
Hanta pulmonary syndrome
Hemorrhagic fever with pulmonary syndrome
Rift Valley fever
Viral hemorrhagic fever
|Issue Date:||15-Jan-2010||Abstract:||Viral hemorrhagic fevers (VHF) are a group of febrile illnesses caused by several distinct families of viruses that share a number of properties (small RNA genome, lipid envelope, zoonotic natural cycle, febrile illness with minor to major hemorrhagic manifestations) but differ in others (replication strategy, natural cycle, pathogenesis, and mode of transmission). These groups include the arena-, bunya-, filo-, and flaviviruses. The families of viruses that cause viral hemorrhagic fevers are distributed widely. Each virus is associated with one or more nonhuman host or vector species, which determine the geographical distribution. Rodents are the main reservoir for hantavirus infections, hemorrhagic fever with renal syndrome, and Lassa fever. Aedes mosquitoes are the vectors for rift valley fever and ticks for Crimean-Congo hemorrhagic fever. The VHF viruses usually are transmitted to humans where the habitats of infected reservoir hosts or vectors and of humans overlap. In general, travelers are rarely affected, and humans are incidental, dead-end hosts for these enzootic diseases. © 2009 Blackwell Publishing.||Source Title:||Tropical Diseases in Travelers||URI:||http://scholarbank.nus.edu.sg/handle/10635/125794||ISBN:||9781405184410||DOI:||10.1002/9781444316841.ch13|
|Appears in Collections:||Staff Publications|
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