I. Rudan and . Epidemiology, Epidemiology and etiology of childhood pneumonia, Bulletin of the World Health Organization, vol.86, issue.5, pp.408-416585, 2000.
DOI : 10.2471/BLT.07.048769

M. Duchamp, J. Casalegno, and Y. Gillet, Pandemic A(H1N1)2009 influenza virus detection by real time RT-PCR : is viral quantification useful?, Clinical Microbiology and Infection, vol.16, issue.4, pp.317-321, 2010.
DOI : 10.1111/j.1469-0691.2010.03169.x

L. Yoshida, M. Suzuki, and T. Yamamoto, VIRAL PATHOGENS ASSOCIATED WITH ACUTE RESPIRATORY INFECTIONS IN CENTRAL VIETNAMESE CHILDREN, The Pediatric Infectious Disease Journal, vol.29, issue.1, pp.75-77, 2010.
DOI : 10.1097/INF.0b013e3181af61e9

W. Wang, P. Cavailler, and P. Ren, Molecular monitoring of causative viruses in child acute respiratory infection in endemo-epidemic situations in Shanghai, Journal of Clinical Virology, vol.49, issue.3, pp.211-218, 2010.
DOI : 10.1016/j.jcv.2010.08.005

URL : https://hal.archives-ouvertes.fr/pasteur-00625193

A. Van-doorn, H. Nghiem, and M. , Viral etiologies of acute respiratory infections among hospitalized Vietnamese children in, PLoS One, vol.6, p.18176, 2004.

S. Olsen, S. Thamthitiwat, and S. Chantra, Incidence of respiratory pathogens in persons hospitalized with pneumonia in two provinces in Thailand, Epidemiology and Infection, vol.53, issue.12, pp.1811-1822, 2010.
DOI : 10.1016/j.ijid.2005.01.007

R. Tripp, P. Bezerra, and M. Britto, Viral and atypical bacterial detection in acute respiratory infection in children under five years, PLoS One, vol.6, p.18928, 2011.

F. Hayden, Rhinovirus and the lower respiratory tract, Reviews in Medical Virology, vol.14, issue.1, pp.17-31, 2004.
DOI : 10.1002/rmv.406

E. Miller, X. Lu, E. Dean, and D. , Rhinovirus???Associated Hospitalizations in Young Children, The Journal of Infectious Diseases, vol.195, issue.6, pp.773-781, 2007.
DOI : 10.1086/511821

J. Louie, A. Roy-burman, and L. Guardia-labar, Rhinovirus Associated With Severe Lower Respiratory Tract Infections in Children, The Pediatric Infectious Disease Journal, vol.28, issue.4, pp.337-339, 2009.
DOI : 10.1097/INF.0b013e31818ffc1b

B. Cowling, A. Fry, and X. Lu, Human rhinovirus infections in rural Thailand: epidemiological evidence for rhinovirus as both pathogen and bystander, PLoS One, vol.6, p.17780, 2011.

R. Singleton, L. Bulkow, and K. Miernyk, Viral respiratory infections in hospitalized and community control children in Alaska, Journal of Medical Virology, vol.166, issue.7, pp.1282-1290, 2010.
DOI : 10.1002/jmv.21790

A. Fry, M. Chittaganpitch, and H. Baggett, The burden of hospitalized lower respiratory tract infection due to respiratory syncytial virus in rural Thailand The burden of respiratory syncytial virus infection in young children, PLoS One N Engl J Med, vol.5, issue.360, pp.588-598, 2009.

H. Nair, D. Nokes, and B. Gessner, Global burden of acute lower respiratory infections due to respiratory syncytial virus in young children: a systematic review and meta-analysis, The Lancet, vol.375, issue.9725, pp.1545-1555, 2010.
DOI : 10.1016/S0140-6736(10)60206-1

M. Mufson, C. Orvell, B. Rafnar, and E. Norrby, Two Distinct Subtypes of Human Respiratory Syncytial Virus, Journal of General Virology, vol.66, issue.10, pp.2111-2124, 1985.
DOI : 10.1099/0022-1317-66-10-2111

J. Reiche and B. Schweiger, Genetic Variability of Group A Human Respiratory Syncytial Virus Strains Circulating in Germany from 1998 to 2007, Journal of Clinical Microbiology, vol.47, issue.6, pp.1800-1810, 2009.
DOI : 10.1128/JCM.02286-08

P. Bhattarakosol, C. Pancharoen, V. Mungmee, R. Thammaborvorn, and L. Semboonlor, Seroprevalence of anti-RSV IgG in Thai children aged 6 months to 5 years, Asian Pac J Allergy Immunol, vol.21, pp.269-271, 2003.

A. Arnott, S. Vong, and S. Mardy, A Study of the Genetic Variability of Human Respiratory Syncytial Virus (HRSV) in Cambodia Reveals the Existence of a New HRSV Group B Genotype, Journal of Clinical Microbiology, vol.49, issue.10, pp.3504-3513, 2011.
DOI : 10.1128/JCM.01131-11

. Sentilhes, An early report from newly established laboratory-based influenza surveillance in Lao PDR, Influenza Other Respir Viruses, vol.4, pp.47-52, 2010.

W. Glezen, A. Frank, L. Taber, and J. Kasel, Parainfluenza Virus Type 3: Seasonality and Risk of Infection and Reinfection in Young Children, Journal of Infectious Diseases, vol.150, issue.6, pp.851-857, 1984.
DOI : 10.1093/infdis/150.6.851

O. Akinloye, E. Savolainen-kopra, and C. , Specific Viruses Detected in Nigerian Children in Association with Acute Respiratory Disease, Journal of Tropical Medicine, vol.83, issue.5, pp.1-6, 2011.
DOI : 10.1002/jmv.10581

A. Schmidt, A. Schaap-nutt, and E. Bartlett, Progress in the development of human parainfluenza virus vaccines, Expert Review of Respiratory Medicine, vol.5, issue.4, pp.515-526, 2011.
DOI : 10.1586/ers.11.32

S. Lindquist, A. Darnule, A. Istas, and G. Demmler, Parainfluenza virus type 4 infections in pediatric patients, The Pediatric Infectious Disease Journal, vol.16, issue.1, pp.34-38, 1997.
DOI : 10.1097/00006454-199701000-00008

L. Ren, R. Gonzalez, and Z. Xie, Human parainfluenza virus type 4 infection in Chinese children with lower respiratory tract infections: A comparison study, Journal of Clinical Virology, vol.51, issue.3, pp.209-212, 2011.
DOI : 10.1016/j.jcv.2011.05.001

J. Aguilar, M. Perez-brena, M. Garcia, N. Cruz, D. Erdman et al., Detection and identification of human parainfluenza viruses 1, 2, 3, and 4 in clinical samples of pediatric patients by multiplex reverse transcription-PCR, J Clin Microbiol, vol.38, pp.1191-1195, 2000.

G. Gioula, D. Chatzidimitriou, A. Melidou, M. Exindari, and V. Kyriazopoulou-dalaina, Contribution of human metapneumovirus to influenza-like infections in North Greece, Euro Surveill, vol.15, 2005.

W. John, V. , E. Kathryn, M. , W. Geoffrey et al., Population-based incidence of human metapneumovirus infection among hospitalized children, J Infect Dis, vol.201, pp.1890-1898, 2010.

R. Samransamruajkit, W. Thanasugarn, N. Prapphal, A. Theamboonlers, and Y. Poovorawan, Human metapneumovirus in infants and young children in Thailand with lower respiratory tract infections; molecular characteristics and clinical presentations, Journal of Infection, vol.52, issue.4, pp.254-263, 2006.
DOI : 10.1016/j.jinf.2005.07.001

M. Alicia, X. Lu, and M. Chittaganpitch, Human bocavirus: a novel parvovirus epidemiologically associated with pneumonia requiring hospitalization in Thailand, J Infect Dis, vol.195, pp.1038-1045, 2007.

T. Sloots, P. Mcerlean, D. Speicher, K. Arden, M. Nissen et al., Evidence of human coronavirus HKU1 and human bocavirus in Australian children, Journal of Clinical Virology, vol.35, issue.1, pp.99-102, 2006.
DOI : 10.1016/j.jcv.2005.09.008

H. 44-auburn, M. Zuckerman, S. Broughton, A. Greenough, and M. Smith, Detection of nine respiratory RNA viruses using three multiplex RT-PCR assays incorporating a novel RNA internal control transcript, Journal of Virological Methods, vol.176, issue.1-2, pp.9-13, 2011.
DOI : 10.1016/j.jviromet.2011.05.017

A. Pierangeli, M. Gentile, D. Marco, and P. , Detection and typing by molecular techniques of respiratory viruses in children hospitalized for acute respiratory infection in Rome, Italy, Journal of Medical Virology, vol.192, issue.4, pp.463-468, 2007.
DOI : 10.1002/jmv.20832

J. Aberle, S. Aberle, E. Pracher, H. Hutter, M. Kundi et al., Single Versus Dual Respiratory Virus Infections in Hospitalized Infants, The Pediatric Infectious Disease Journal, vol.24, issue.7, pp.605-610, 2005.
DOI : 10.1097/01.inf.0000168741.59747.2d

P. Bharaj, W. Sullender, and S. Kabra, Respiratory viral infections detected by multiplex PCR among pediatric patients with lower respiratory tract infections seen at an urban hospital in Delhi from 2005 to 2007, Virology Journal, vol.6, issue.1, p.89, 2005.
DOI : 10.1186/1743-422X-6-89

P. Mcnamara, B. Flanagan, R. Smyth, and C. Hart, Impact of human metapneumovirus and respiratory syncytial virus co-infection in severe bronchiolitis, Pediatric Pulmonology, vol.176, issue.8, pp.740-743, 2007.
DOI : 10.1002/ppul.20649

A. Pavia, Viral Infections of the Lower Respiratory Tract: Old Viruses, New Viruses, and the Role of Diagnosis, Clinical Infectious Diseases, vol.52, issue.Supplement 4, pp.284-289, 2011.
DOI : 10.1093/cid/cir043

M. Khadadah, S. Essa, Z. Higazi, N. Behbehani, and W. Nakib, Respiratory syncytial virus and human rhinoviruses are the major causes of severe lower respiratory tract infections in Kuwait, Journal of Medical Virology, vol.28, issue.8, pp.1462-1467, 2010.
DOI : 10.1002/jmv.21823

C. Calvo, M. Garc-ia-garc-ia, C. Blanco, F. Pozo, I. Flecha et al., Role of Rhinovirus in Hospitalized Infants With Respiratory Tract Infections in Spain, The Pediatric Infectious Disease Journal, vol.26, issue.10, pp.904-908, 2007.
DOI : 10.1097/INF.0b013e31812e52e6