Fig. (1) The immune system toward Staphylococcus aureus. Human immunity toward S. aureus heavily relies on complement and neutrophil and stimulation of TLR2. The immune reaction toward S. aureus contributes to the stimulation of both innate and adaptive reactions. S aureus, Staphylococcus aureus; PMN, Polymorphonuclear neutrophils; MQ, Macrophage; T cell, T lymphocyte; B cell, B lymphocyte.