Togaviridae

• Family of viruses characterized as single-stranded, positive-sense RNA molecule
• Within the order Martellivirales
• Virions
  • Composed of envelope and a nucleocapsid
  • Spherical to pleomorphic
  • 70 nm in diameter
• Genera include:
  • Alphavirus: chikungunya virus, eastern equine encephalitis virus, western equine encephalitis virus, Venezuelan equine encephalitis virus
  • Rubivirus (now moved to Matonaviridae): rubella virus