Viral Properties

•  
• Family: Arenaviridae

• Genome:   
•         ssRNA
•         linear
•         ambisense
•         2 segments (Large segment ~ 5.7kb; Small segment ~ 2.8kb)

• Morphology:
  • Helical Nucleocapsid - Arenavirus has two closed helical circles

• Size and Appearance:
  • 50-300 nm in diameter (range); 110-130 nm in diameter (average)
  • Sandy color under false color electron micrograph caused by the inclusion in the virion of cellular ribosomal material during virus budding.

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