[epidemiological surveillance of leptospirosis on reunion island in 2004-2008: possible impact of chikungunya infection on the case fatality rate of leptospirosis.] | in 2006, increased mortality due to leptospirosis in reunion island had alerted the authorities and justified the conduct of this study in order to update knowledge on the epidemiology of leptospirosis, whereas the latest epidemiological data published on the disease dated back to 2003. this study followed the scheme of a descriptive retrospective survey based on data from reporting and investigation of hospitalized cases of leptospirosis that occurred in reunion between the 1st january 2004 and ... | 2010 | 21174236 |