title: From the Centers for Disease Control and Prevention. Update: West Nile virus activity--northeastern United States, January-August 7, 2000.
mesh_terms: D000368:Aged; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology*; D001717:Birds; D009033:Culicidae / Q000821:virology*; D006801:Humans; D009511:New England / Q000453:epidemiology; D011159:Population Surveillance; D014901:West Nile Fever / Q000453:epidemiology* / Q000662:veterinary*; D014902:West Nile virus / Q000302:isolation & purification*