title: West Nile virus in the New World: appearance, persistence, and adaptation to a new econiche--an opportunity taken.
authors.affiliation: Department of Microbiology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins 80523, USA. calisher@promedmail.org
authors.forename: C H
authors.initials: CH
authors.lastname: Calisher
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology / Q000821:virology; D001717:Birds / Q000821:virology; D009033:Culicidae / Q000821:virology; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D017753:Ecosystem; D006801:Humans; D007303:Insect Vectors / Q000821:virology; D009519:New York City / Q000453:epidemiology; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000453:epidemiology* / Q000635:transmission / Q000662:veterinary / Q000821:virology; D014902:West Nile virus / Q000472:pathogenicity / Q000502:physiology*