The provided text thoroughly explores infection prevention and control within healthcare settings. It outlines the chain of infection, body defenses, and various types of healthcare-associated infections (HAIs).Emphasis is placed on the nurse's role in implementing infection control practices, including hand hygiene, isolation precautions, and proper use of personal protective equipment (PPE). The text details specific interventions for different types of infections and highlights the importance of patient and family education.Factors influencing infection risk, such as age, nutritional status, and underlying diseases, are also discussed. Finally, the document covers cleaning, disinfection, and sterilization methods crucial for maintaining a safe healthcare environment, alongside psychological considerations for patients in isolation.