Staphylococcus Aureus is responsible for two main clinical presentations in humans: suppurative infections and toxigenic syndromes. In this work, we report a case of a young patient with necrotizing pneumonia caused by staphylococcus aureus producer Leukocidin of Panton and Valentine which presents a special entity in staphylococcal toxigenic syndromes, owing to the fact that it affects healthy immunocompetent subjects, and that its escalation is extremely fast in time and in the diverse territories of the world.