The best way to prevent West Nile virus infection is to avoid mosquito bites.
Community spraying for mosquitos may also prevent mosquito breeding.
Testing of donated blood and organs is currently being evaluated. There are currently no guidelines.
Tsai TF, Vaughn DW, Solomon T. Flaviviruses (Yellow fever, Dengue, Dengue hemorrhagic fever, Japanese encephalitis, West Nile encephalitis, St. Louis encephalitis, Tick-borne encephalitis). In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 6th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2005: chap 149.
Naides SJ. Arthropod-borne viruses causing fever and rash syndromes. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 405.
Bleck TP. Arthropod-borne viruses affecting the central nervous system. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 406.