Day care attendance during the first 12 months of life and occurrence of infectious morbidities and symptoms Paula Duarte de Oliveira, Andréa Dâmaso Bertoldi, Bruna Gonçalves C. da Silva, Marlos Rodrigues Domingues, Nelson Arns Neumann, Mariângela Freitas da Silveira

Prevalence and risk factors associated with wheezing in the first year of life Olivia A. A. Costa Bessa, Álvaro J. Madeiro Leite, Dirceu Solé, Javier Mallol

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