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Rift Valley fever (RVF) is a viral disease of humans and livestock that can cause mild to severe symptoms. The mild symptoms may include: fever , muscle pains , and headaches which often last for up to a week.
Rift Valley fever (RVF) outbreaks affecting humans and livestock occur across sub-Saharan Africa, with outbreaks occurring elsewhere infrequently.Outbreaks usually correspond with the El Niño, associated with increased rainfall and flooding, causing increases in the mosquito population, which act as vector for the virus. [1]
Butchering livestock transmitted the virus. [1] East Africa had a regional outbreak of Rift Valley fever in late 2006 that affected Kenya, Somalia, and Tanzania. During outbreak, 1062 people were infected with Rift Valley fever and 394 people died between December 2006 and December 2007. [2]
Rift Valley fever virus Rift Valley fever: 2–6 days Fever, headache, myalgia and liver abnormalities 4–7 days Hemorrhagic fever, meningoencephalitis 1% in humans; in pregnant livestock, 100% fatality rate for fetuses Culex tritaeniorhynchus and Aedes vexans: Micropteropus pusillus and Hipposideros abae: Eastern, Southern, and Western Africa Yes
Phenuiviridae is a family of negative-strand RNA viruses in the order Bunyavirales. [1] Ruminants, camels, humans, and mosquitoes serve as natural hosts.Until 2011, member genus Phlebovirus was the only genus of the family with viruses causing disease in humans (e.g. Rift Valley fever virus) [2] [scientific citation needed] except Dabie bandavirus.
Here are the symptoms of valley fever and how to avoid getting infected. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24 ...
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As of the end of November, 11,076 valley fever cases had been confirmed statewide, a 20% increase compared to last year's total and a nearly 47% jump from 2022, according to state health data.