title: [New viruses, old viruses].
authors.forename: Antonio
authors.initials: A
authors.lastname: Tenorio
mesh_terms: D021821:Communicable Diseases, Emerging / Q000453:epidemiology / Q000821:virology*; D004196:Disease Outbreaks / Q000517:prevention & control*; D004770:Enterovirus / Q000302:isolation & purification / Q000472:pathogenicity; D019143:Evolution, Molecular; D005814:Genes, Viral; D006801:Humans; D014773:Virology / Q000379:methods; D014777:Virus Diseases / Q000453:epidemiology / Q000517:prevention & control / Q000821:virology*; D014901:West Nile Fever / Q000453:epidemiology / Q000821:virology; D014902:West Nile virus / Q000472:pathogenicity