Purpose: is the major cause of pneumoniae infection among under-five children that leads to high morbidity and mortality. Thus, the aim of this study was to determine the magnitude of in under-five children of an acute respiratory infection, assess its antimicrobial susceptibility patterns, and define the associated factors.
Methods: An institutional-based cross-sectional study was conducted on a total of 384 under-five children of acute respiratory infection attending outpatient department of Hiwot Fana Specialized University Hospital, Harar, Ethiopia, from March 1 to 30, 2020.