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Arenaviruses
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Arenaviruses

Arenaviruses
Rodent vectors Virions are pleomorphic, with surface projections and granular appearance; it helps to know that "Arena" means "Sand."
Arenavirus Electron Microscopy
Arenavirus Electron Microscopy https://phil.cdc.gov/Details.aspx?pid=8699
Lymphocytic Choriomeningitis Virus This virus often produces asymptomatic or mild respiratory or gastrointestinal illnesses, but severe infection can occur. Symptoms of severe infection vary, but can include fever, pain, headache, nausea, and vomiting; encephalitis or meningitis may occur.
Hemorrhagic Fever Viruses
Illness often begins with flu-like symptoms, followed by neurologic and vascular effects. Organ necrosis, particularly of the liver and lymphoid organs, is common.
Lassa Virus causes Lassa hemorrhagic fever, and is found in West Africa.
Junin Virus causes Argentine hemorrhagic fever.
Machupo Virus causes Bolivian hemorrhagic fever.
Guanarito Virus causes Venezuelan hemorrhagic fever.

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