Include pneumonia and bronchiolitis.
ALRIs in children are a leading cause of morbidity and mortality in young children.
Approximately 156 million new episodes occur worldwide each year with 1.56 million deaths.
ALRIs in children commonly associated with viral infections.
Respiratory syncitial virus accounts for approximately 22% of such events (Nair H et al).
Influenza associated ALRIs in young and very young children ia associated with a significant number of hospital admissions.