title: Laboratory surveillance of influenza in northern Greece, 1993-2003.
authors.affiliation: National Influenza Centre for Northern Greece, B' Laboratory of Microbiology, Medical Department, Aristotelian University of Thessaloniki, 54124 Thessaloniki, Greece.
authors.forename: V
authors.initials: V
authors.lastname: Kyriazopoulou
authors.forename: M
authors.initials: M
authors.lastname: Exindari
authors.forename: A
authors.initials: A
authors.lastname: Melidou
mesh_terms: D006115:Greece / Q000453:epidemiology; D006801:Humans; D009980:Influenza A virus / Q000145:classification / Q000302:isolation & purification*; D009981:Influenza B virus / Q000145:classification / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology