Two hundred and twenty-one autochthonous cases of leptospirosis were reported on Réunion Island between January 1 and July 23, 2026, with a peak of 71 cases in March.
Of the cases with available information, 65% required hospitalization. One death directly related to leptospirosis has been confirmed, and a second death is under investigation. Freshwater recreational activities were identified as a significant risk factor. The seasonality of the cases is consistent with the austral summer rainy season.
