ABSTRACT

CDC: Lassa Fever   [open html - 30KB]

This webpage is maintained by the Centers for Disease Control and Prevention (CDC). The webpage provides information and resources on Lassa Fever. "Lassa fever is an acute viral illness that occurs in West Africa. The illness was discovered in 1969 when two missionary nurses died in Nigeria, West Africa. The cause of the illness was found to be Lassa virus, named after the town in Nigeria where the first cases originated. The virus, a member of the virus family Arenaviridae, is a single-stranded RNA [Ribonucleic acid] virus and is zoonotic, or animal-borne. In areas of Africa where the disease is endemic (that is, constantly present), Lassa fever is a significant cause of morbidity and mortality. While Lassa fever is mild or has no observable symptoms in about 80% of people infected with the virus, the remaining 20% have a severe multisystem disease. Lassa fever is also associated with occasional epidemics, during which the case-fatality rate can reach 50%."

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Centers for Disease Control and Prevention: http://www.cdc.gov/
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