Respiratory syncytial virus infection as a cause of hospitalization in population under 1 year in Colombia Juan Gabriel Piñeros, Hernando Baquero, Jaime Bastidas, Jorge García, Oscar Ovalle, Carlos M. Patiño, Juan C. Restrepo

Clinical and epidemiological aspects related to the detection of adenovirus or respiratory syncytial virus in infants hospitalized for acute lower respiratory tract infection Eduardo A. Ferone, Eitan N. Berezin, Giuliana S. Durigon, Cristiane Finelli, Maria C.C. Felício, Juliana G. Storni, Edison L. Durigon, Danielle B. L. de Oliveira

Epidemiological and genetic characteristics associated with the severity of acute viral bronchiolitis by respiratory syncytial virus Alfonso E. Alvarez, Fernando A.L. Marson, Carmen S. Bertuzzo, Clarice W. Arns, José D. Ribeiro