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West Nile encephalitis

Disease burden. West Nile virus (WNV) belongs to the family Flaviviridae and is a member of the Japanese encephalitis virus complex of arthropode-borne flaviviruses. The virus can infect humans, birds, mosquitoes, horses and some other mammals. Over 110 species of birds can be infected with WNV. WNV is one of the most widely distributed flaviviruses with a geographic range including Africa, Australia, Europe, the Middle East and West Asia. During 1999, WNV also established itself in the USA. Continue

- Background

Disease Focal Point/Contact

Dr Joachim Hombach
Research on Parasitics and Other Pathogens


!NEW!(Updated 19/1/2010)
:: Tables of Malaria Vaccine Projects Globally - "The Rainbow Tables"
:: Malaria update
:: Influenza
:: Tables on the Clinical trials of pandemic influenza prototype vaccines


Immunization, Vaccines & Biologicals

WHO-UNAIDS HIV Vaccine Initiative

WHO Bulletin - Vaccinating against cervical cancer

IVR Global Vaccine Research Forum

Meetings

Current Status of Vaccines in Development [pdf 85kb]

Global Pandemic Influenza Action Plan to Increase Vaccine Supply [520kb]
Contact us

For information on vaccination requirements for international travellers, please visit the WHO international travelers pages

Initiative for Vaccine Research
Immunization, Vaccines and Biologicals
World Health Organization (WHO)
20 Avenue Appia
1211 Geneva 27
Switzerland
Tel: +41 (22) 791 43 95
Fax: +41 (22) 791 48 60
Email: VaccineResearch@who.int