Advanced age
Corticosteroids
Immunosuppressing medications (transplant patients, rheumatologic diseases, etc)
Chronic liver disease
Chronic renal failure (especially if on hemodialysis)
Hematological malignancies
HIV infection
Intravenous catheters
Intravenous drug use
Loss of skin integrity
Malnutrition and hypoalbuminemia
Neutropenia
Parenteral nutrition
Bacteremia vs contaminated blood cultures
Fever in traveler
Multisystem inflammatory syndrome in children
Healthcare occupational exposure to blood or other body fluids
Asplenic patient
Combative patient
Severe anemia in Jehovah's Witness patients
Angiogram complications