Risk factors for staphylococcal infections People who are predisposed to staphylococcal infections include Neonates and breastfeeding mothers Patients with influenza, chronic bronchopulmonary disorders (eg, cystic fibrosis, emphysema), leukemia, tumors, chronic skin disorders, or diabetes mellitus Patients with a transplant, an implanted prosthesis, other foreign bodies, or an indwelling intravascular plastic catheter Patients receiving adrenal steroids, irradiation, immunosuppressants, or antitumor chemotherapy Injection drug users Patients who have chronic kidney disease and are being treated with dialysis Patients with surgical incisions, open wounds, or burns Predisposed patients may acquire antibiotic-resistant staphylococci from other patients, health care personnel, or inanimate objects in health care settings.