togaviruses group B

Last reviewed 01/2018

Fever, rash, myalgia/arthralgia and lymphadenopathy syndromes

  • mosquito-borne:
    • Dengue fever and West Nile fever

Encephalitis syndromes

  • mosquito-borne:
    • Japanese encephalitis, Ilheus encephalitis,
    • Murray Valley encephalitis, Rocio encephalitis and
    • St.Louis encephalitis
  • tick-borne:
    • Tick-borne encephalitis (Russian spring-summer encephalitis and Central European encephalitis),
    • Louping-ill and Powassan encephalitis

Viral haemorrhagic fevers

  • mosquito-borne:
    • Yellow fever, Dengue haemorrhagic fever,
  • tick-borne:
    • Kyasanur Forest disease and Omsk haemorrhagic fever

Several other flaviviruses are known to have caused illness.

ref: Oxford T/B of Medicine 3e 1996