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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.
An outbreak of Rift Valley fever virus (RVFV) infection affected sheep, goats, cattle and wildlife on farms within Free State, Eastern Cape, Northern Cape, Western Cape, Mpumalanga, North West, and Gauteng provinces. As of 29 March 2010, about 78 farms reported laboratory-confirmed animal cases, with extensive livestock deaths.
1956: Cache Valley virus isolated in Culiseta inornata mosquitoes in Utah 1960: La Crosse virus was first recognized in a fatal case of encephalitis in La Crosse, Wisconsin. 1977: Rift Valley Fever virus caused approximately 200,000 cases and 598 deaths in Egypt. 2017: Bunyavirales order is created
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The severity of symptoms varies with the type of virus. The "VHF syndrome" causes bleeding diathesis, capillary leak, and circulatory shock. It happens to most people who have Filoviridae infections (such as Ebola virus or Marburg virus ), Crimean–Congo hemorrhagic fever (CCHF), or the South American hemorrhagic fevers (which are caused by ...
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Clarence James Peters, Jr (born September 23, 1940, Midland, Texas) is a physician, field virologist and former U.S. Army colonel.He is noted for his efforts in trying to stem epidemics of exotic infectious diseases such as the Ebola virus, Hanta virus and Rift Valley fever (RVF).