Risk Group 3 (RG3) - Viruses and Prions

Alphaviruses (Togaviruses) - Group A Arboviruses
  • Semliki Forest virus
  • St. Louis encephalitis virus
  • Venezuelan equine encephalomyelitis virus (except the vaccine strain TC-83)
Arenaviruses
  • Flexal
  • Lymphocytic choriomeningitis virus (LCM) (neurotropic strains)
Bunyaviruses
  • Hantaviruses including Hantaan virus
  • Rift Valley fever virus
Flaviviruses (Togaviruses) - Group B Arboviruses
  • Japanese encephalitis virus
  • Yellow fever virus
Poxviruses
  • Monkeypox virus
Prions
  • Transmissible spongioform encephalopathies (TME) agents (Creutzfeldt-Jacob disease and kuru agents)
Retroviruses
  • Human immunodeficiency virus (HIV) types 1 and 2
  • Human T cell lymphotropic virus (HTLV) types 1 and 2
  • Simian immunodeficiency virus (SIV)
Rhabdoviruses
  • Vesicular stomatitis virus