Viral infection
This is the first study characterizing the various types of viruses that
PICU-admitted patients with acute bronchiolitis can present. For this
purpose, we used multiple CRP for respiratory viruses (PneumoVir). RSV
remains the most commonly isolated virus in these patients, followed by
bocavirus and rhinovirus at much lower percentages. Viral isolation was
similar to that of patients from other studies26, with
a higher amount of bocavirus. No differences were found in the
proportions of isolated viruses among patients according to their
parents’ smoking habits. Therefore, viral infection does not appear to
explain the greater severity in ETS exposure infants with acute
bronchiolitis.