This case study presents a comprehensive nursing care plan for Amy, a patient diagnosed with breast cancer and undergoing chemotherapy. The assignment identifies the increased risk of infection as a primary health need, stemming from the immunosuppressive effects of chemotherapy. The care plan utilizes the Socioecological framework to address this risk, incorporating the Corbin and Strauss Illness Trajectory Model for assessment. It explores the patient's personal circumstances, including her recent relocation, dietary habits, and close relationships, as well as organizational and community support systems. The plan emphasizes the importance of hygiene, nutritional guidance, and access to community resources like support groups. The case study highlights the crucial role of nurses in providing education, emotional support, and coordinating care to mitigate infection risks and improve the patient's overall well-being during treatment. It also stresses the need for organizational support, and the utilization of equipment and services such as hand hygiene, dieticians, and protective equipment to reduce the risk of infection.