title: [Epidemiology of respiratory infection in Spain].
authors.affiliation: Cátedra de Microbiología Médica, Hospital Clínico San Carlos, Madrid.
authors.forename: J J
authors.initials: JJ
authors.lastname: Picazo
authors.forename: E
authors.initials: E
authors.lastname: Pérez-Cecilia
mesh_terms: D006760:Hospitalization; D006801:Humans; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000382:microbiology; D013030:Spain / Q000453:epidemiology