Bunyavirales, family phenuiviridae, genus phlebovirus. Rift valley fever virus is responsible for outbreaks in livestock in africa and can also be fatal in humans. Rift valley fever results from infection by the rift valley fever virus, an rna virus in the genus phlebovirus in the family bunyaviridae. Rift valley fever rvf is one of the most serious transboundary animal diseases. Rift valley fever virus rvfv is a mosquitoborne zoonotic pathogen which can cause hemorrhagic fever, neurological disorders or blindness in humans, as well as. Rift valley fever occurs throughout most of africa, and has been reported in egypt, saudi arabia, and yemen. Some viral isolates differ in virulence in laboratory rodents and possibly other species. Scientists have characterized the mechanism used by the virus to insert one of its. Links with this icon indicate that you are leaving the cdc website the centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website.
Rift valley fever outbreaks in domesticated animals are often accompanied by. Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website. Disease in these species is characterized by fever, severe illness, abortions, and a high morbidity and mortality rate. Rift valley fever the center for food security and public health. Rift valley fever what is rift valley fever and what causes it. Rift valley fever aetiology epidemiology diagnosis prevention and control references aetiology classification of the causative agent rift valley fever rvf virus is a negativesense, trisegmented rna virus of the within the order bunyavirales, family phenuiviridae, genus phlebovirus. Rvf outbreaks have been reported in subsaharan africa. Rift valley fever fact sheet centers for disease control. Rift valley fever rfv is an emerging and devastating disease of small ruminant and the occurrence of antibodies to rvf virus in sheep and goats was first reported from rajasthan state in 1995. A virus even more dangerous than zika to pregnant women. Rift valley fever rvf virus is a negativesense, trisegmented rna virus of the within the order. There are several genetic lineages of this virus, some of which may cocirculate, in endemic regions. Rift valley fever is a mosquitoborne zoonotic disease of domestic ruminants. In 2000, cases were confirmed in saudi arabia and yemen, raising concerns that it could extend to other parts of asia and europe.
Rift valley fever rvf is a viral zoonosis that primarily affects animals but can also infect humans. Only one serotype is recognised but strains exist of. Introduction to rift valley fever world health organization. It can cause abortions in pregnant animals and a high mortality in young animals.
Rift valley fever surveillance and management 43 rift valley fever recognition and reporting 43 participatory syndromic surveillance and outbreak investigation 43 rvf early response refresher 44 mobilizing resources 44 analysing surveillance data 45. This disease causes abortions in pregnant animals, and it has a high mortality rate in newborn animals. Rift valley fever is a viral disease spread primarily by mosquitoes which can affect both humans and animals. Pdf on may 1, 2009, brian h bird and others published rift valley fever virus find, read and cite all the research you need on researchgate. Rift valley fever primarily occurs in livestock in subsaharan africa, where outbreaks cause 90 to 100 percent of pregnant cows in a herd to miscarry or deliver stillborn calves, often a. Rift valley fever rvf is an acute arthropodjborne virus infection with a wide range of vertebrate disease hosts. Rift valley fever rvf is an acute viral disease that can cause severe disease in domestic animals such as buffalo, camels, cattle, goats and sheep and humans. Rift valley fever surveillance food and agriculture organization of. Rift valley fever disease rift valley fever rvf is a viral zoonosis that primarily affects animals but can also infect humans rvf outbreaks have been reported in subsaharan africa and egypt. Rvf is an acute mosquitoborne viral disease mainly affecting ruminant animals and humans. Recognizing rift valley fever manual food and agriculture.