This document reviews the leptospirosis situation in Fiji in 2012. Some key points: - There were 525 confirmed cases of leptospirosis in 2012, a significant increase from 2011, with 52 deaths. The incidence was estimated to be between 62.5-100 cases per 100,000 people. - Flooding was likely a factor in increased transmission. The disease disproportionately affected the iTaukei ethnic group and peaked among those aged 15-44. - Limited data exists on leptospirosis reservoirs in Fiji, but past studies found antibodies in cattle, dogs, rats, and mongooses. One study found around 70% of mongooses carried the