title: Images in health surveillance: West Nile virus vectors and prevention.
mesh_terms: D000818:Animals; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006801:Humans; D007303:Insect Vectors; D011159:Population Surveillance; D012307:Risk Factors; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D014902:West Nile virus