PMC

a) The distribution of respiratory syncytial virus (RSV), human rhinovirus (HRV), and HRV species A and B, and C; b) the distribution of sensitisation to inhalant and food allergens; and c) the distribution of morning saliva cortisol sampled the first morning after hospitalisation, in infants hospitalised with acute bronchiolitis at study enrolment (0–12 months of age, mean age 4.2 months), compared to children with recurrent wheeze and no recurrent wheeze at 2-year follow-up. s-IgE: specific immunoglobulin E.