Rift Valley fever

A virus disease of East Africa transmitted from animals to man by mosquitoes and causing symptoms resembling those of influenza.


A virus disease, caused by a phlebovirus and transmitted by mosquitoes, at one time confined to sub-Saharan Africa and predominantly found in domestic animals such as cattle, sheep and goats. In the 1970s the disease flared up in Egypt, probably owing to a more virulent virus. The illness in humans is characterized by fever, haemorrhages, encephalitis and involvement of the eye. An effective vaccine protects both animals and human beings against the disease.


Rift Valley fever is a viral illness primarily observed in East and South Africa, spread from animals to humans through mosquito bites. Its symptoms often mimic those of dengue fever or the flu, although some individuals may not show any symptoms at all. In rare and critical instances, the disease can cause retinitis, or inflammation of the retina, encephalitis, or brain inflammation, bleeding, and even result in death.


A mild condition caused by a virus that leads to liver inflammation.


 


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