title: Many children aged two to five years have a persistent presence of respiratory viruses in their nasopharynx.
authors.affiliation: Pediatric Allergy and Respiratory Unit, 3rd Department of Pediatrics, University General Hospital 'Attikon', School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: Konstantinos
authors.initials: K
authors.lastname: Douros
authors.affiliation: Pediatric Allergy and Respiratory Unit, 3rd Department of Pediatrics, University General Hospital 'Attikon', School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: Doxa
authors.initials: D
authors.lastname: Kotzia
authors.affiliation: Department of Cytopathology, University General Hospital 'Attikon', University of Athens School of Medicine, Athens, Greece.
authors.forename: Christine
authors.initials: C
authors.lastname: Kottaridi
authors.affiliation: Pediatric Allergy and Respiratory Unit, 3rd Department of Pediatrics, University General Hospital 'Attikon', School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: Apostolos
authors.initials: A
authors.lastname: Giotas
authors.affiliation: Pediatric Allergy and Respiratory Unit, 3rd Department of Pediatrics, University General Hospital 'Attikon', School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: Barbara
authors.initials: B
authors.lastname: Boutopoulou
authors.affiliation: Department of Cytopathology, University General Hospital 'Attikon', University of Athens School of Medicine, Athens, Greece.
authors.forename: Petros
authors.initials: P
authors.lastname: Karakitsos
authors.affiliation: Pediatric Allergy and Respiratory Unit, 3rd Department of Pediatrics, University General Hospital 'Attikon', School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: Kostas Ν
authors.initials: KΝ
authors.lastname: Priftis
mesh_terms: D000256:Adenoviridae; D052660:Bocavirus / Q000302:isolation & purification*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009305:Nasopharynx / Q000821:virology*; D009975:Orthomyxoviridae / Q000302:isolation & purification; D011446:Prospective Studies; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification; D012229:Rhinovirus / Q000302:isolation & purification*; D012424:Rural Population; D014505:Urban Population