Leptospirosis is a zoonosis disease which is suspectedly the most widely spread in the world, included lndonesia. In 2011, the number of leptospirosis case in Yogyakarta City was multi-folded compared with the previous years. The study was aimed to understand the factors correlated with the disease incidence in that city in 2011 by conducting an observational study with case control design. The…