Bronchiolitis is inflammation of the bronchioles, the smallest air passages of the lungs. It presents with cough, wheezing and shortness of breath which can cause some children difficulty in feeding. This is usually caused by respiratory syncytial virus and is much more common in the winter months. Although infection with respiratory syncytial virus may occur at any age, the clinical disease bronchiolitis develops only in infants and young children. About 75% of cases of bronchiolitis occur in children younger than 1 year of age and 95% occur in children younger than 2 years of age, with a peak incidence at 2–8 months of age. Risk factors include: age younger than 6 months, bottle feeding, prematurity, exposure to cigarette smoke, and crowded living conditions. The virus is transmitted from person-to-person by direct contact with nasal secretions or by airborne droplets.
We researched this topic for you and found the following best online resources. They are categorized into basic, advanced, and research level based on the extent of information you need. You will be taken to the respective websites by pressing on the links below.