Regarding an ongoing outbreak of hemorrhagic illness in South Sudan, a differential diagnosis list generated by Gideon [Global Infectious Disease & Epidemiology Network]http://www.GideonOnline.com, includes 2 lesser-known pathogens which have been associated with single small clusters of hemorrhagic fever in Africa: Bas-Congo virus (rhabdovirus) and Lujo virus (arenavirus). In 2008, 4 of 5 patients died of Lujo virus infection in a South African hospital, following transfer of an index patient from Zambia. The following year, 2 of 3 villagers in DR Congo died in an outbreak of Bas Congo virus infection. If tests for other pathogens continue to be negative, these 2 agents might be considered.
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