Necrotizing soft-tissue infections(NSTIs are severe and rapidly progressive infectious conditions, which depending on the clinical form can involve subcutaneous tissues, fas cians, and/or muscles. Management of NSTIs relies on rapid surgical antibiotic ther- debridement and broad-spectrum apy.2 Precocity of diagnosis is one of the main prognosis factors. However, the early stages of the disease are often misdiagnosed due to the absence of specific clinical fea- tures. In addition, several other factors have been shown to condition underlying including mortality, influence advanced age, or bacterial virulence, such as invasive group The objectives of this study are to A Streptococcus. presentation, and describe the epidemiology, clinical characteristics of this condition in New microbiological Caledonia and to evaluate the determinants of mortality associated with this surgical emergency