The document discusses surgical site infections (SSIs). Some key points: - SSIs are the third most common type of hospital-acquired infection, accounting for 14-16% of infections. They are also the most common infection in surgical patients, observed in 38% of cases. - Risk factors for SSIs include patient characteristics like diabetes or obesity, as well as surgical factors like long operation time or inadequate sterilization of instruments. - Prevention strategies focus on proper use of antimicrobial prophylaxis, maintaining normothermia, controlling blood glucose, and following guidelines on skin/wound care before, during and after surgery.