What can be done to prevent outbreaks of West Nile virus?
West Nile virus outbreaks are prevented through mosquito control programs. The components of a an effective mosquito control programs usually include (1) surveillance of mosquito and virus activity; (2) preventive control of mosquito larvae through reduction of standing water and treatment of water with larvicides; (3) personal protection through the use of mosquito repellents and proper clothing; and (4) control of adults with insecticides if other measures fail to keep the risk of West Nile virus transmission below acceptable levels.