Based on the data of Puskesmas Kelurahan Meruya Selatan II and Puskesmas Kecamatan Kembangan for the period of January –December 2008 there were 32 cases of Dengue Hemorrhagic feverv(DHF) in Kelurahan Meruya Selatan II with Free Index (LFI) 97.5%. The objective of the research was to determine the correlation between LFI and the prevalence of DHFwithin the working area of Puskesmas Meruya Sel…