title: [Is flu all that which clinically appears as flu?].
authors.affiliation: Unidad de Virología, Servicio de Microbiología, Hospital Universitario Son Espases, Palma de Mallorca, España. Electronic address: jorge.reina@ssib.es.
authors.forename: Jordi
authors.initials: J
authors.lastname: Reina
authors.affiliation: Unidad de Virología, Servicio de Microbiología, Hospital Universitario Son Espases, Palma de Mallorca, España.
authors.forename: Carla
authors.initials: C
authors.lastname: López
mesh_terms: D003937:Diagnosis, Differential; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000175:diagnosis* / Q000453:epidemiology / Q000821:virology; D014773:Virology / Q000379:methods