@article{3101310, title = "Many children aged two to five years have a persistent presence of respiratory viruses in their nasopharynx", author = "Douros, K. and Kotzia, D. and Kottaridi, C. and Giotas, A. and Boutopoulou, B. and Karakitsos, P. and Priftis, K.Ν.", journal = "Acta Paediatrica, International Journal of Paediatrics", year = "2016", volume = "105", number = "2", pages = "e89-e92", publisher = "Wiley-Blackwell Publishing Ltd", doi = "10.1111/apa.13259", keywords = "Adenoviridae; air pollution; Article; child; common cold; controlled clinical trial (topic); Coronaviridae; false negative result; human; Human bocavirus; Human respiratory syncytial virus; Influenza virus; Metapneumovirus; nasopharynx; nonhuman; nose obstruction; outpatient; Paramyxovirinae; preschool child; prevalence; priority journal; respiratory tract infection; respiratory virus; Rhinovirus; rural area; smoking; upper respiratory tract; urban area; viral respiratory tract infection; Bocaparvovirus; female; isolation and purification; male; nasopharynx; Orthomyxoviridae; prospective study; rural population; urban population; virology, Adenoviridae; Bocavirus; Child, Preschool; Female; Humans; Male; Nasopharynx; Orthomyxoviridae; Prospective Studies; Respiratory Syncytial Viruses; Rhinovirus; Rural Population; Urban Population" }