The incidence of Acute Respiratory Tract Infection (ISPA) is still one of the most common public health problems in the Ujan Mas Community Health Center, Muara Enim Regency. The research objective was to analyze the determinants of the incidence of Acute Respiratory Tract Infection (ISPA) in children under five in the Ujan Mas Public Health Center, Muara Enim Regency. This research is an observ…