Hubungan Kepadatan Hunian, Ventilasi Dan Pencahayaan Dengan Kejadian ISPA Pada Balita Di Desa Talang Jawa Wilayah Kerja UPTD Puskesmas Tanjung Agung Kecamatan Baturaja Barat Kabupaten Ogan Komering Ulu Tahun 2020.

Acute Respiratory Infections (ARI) is one of the leading causes of death in children under five in the world, based on data from the OKU District Health Office, ISPA cases in toddlers are in the work area of Tanjung Agung Health Center as many as 1.287 cases. The purpose of this study was to study the Relationship of Residental Density, Ventilation And Lighting With The Incidence Of ARI In Infants In Talang Jawa Village, The Working Area Of Tanjung Agung Community Health Center, West Baturaja Subdistrict, OKU Regency. This type of research is Cross Sectional, data collection is done by observation and direct interviews using a questionnaire. The sample in this study consisted of 265 samples taken by respondents. The result of the bivariate analysis using the chi-square test are that there is a significant relationship between the  occupany density with the incidence of ARI incident in toddlers (p value 0,000), there is a significant relationship between ventilation with the incidence of ARI incident in toddlers (p value 0,000), and thee is a significant relationship between lighting and the incidence of ARI incident in toddlers (p value 0,000).