Prevalence of pneumonia and its determinant factors among under-five children in Gamo Zone, southern Ethiopia, 2021.

Background: Pneumonia, which is a form of acute lower respiratory tract infection, affects the lung parenchyma and destructs alveolar air space. Pneumonia is the leading cause of morbidity and mortality in under-five children. It was estimated that pneumonia kills 900,000 under-five children each year worldwide.