Abstract Background: Pneumonia is the number one infectious killer of children under age 5 years, killing an estimated 2400 children a day globally and in Uganda, pneumonia is the second leading cause of death among children under the age of five years. The main aim of this study was to determine the prevalence and factors associated with pneumonia among children under 5 years old attending Kiryandongo hospital. Methods: Hospital based cross-sectional study was employed on 100 child-mother pairs. Data were collected using structured and pre-tested questionnaires. Data analysis was conducted using statistical package for social sciences (SPSS) version 25 software. Odds Ratio along with 95% confidence interval was estimated to identify determinates of pneumonia and p values
