A 46-year-old man and a 58-year-old man, both known for several years with HIV infection, were admitted for operations due to aortic valve insufficiency (aortic valve replacement) and posttraumatic coxarthrosis (total hip replacement) respectively. In accordance with the protocol, preoperative viral infections (HIV, hepatitis B and C) were inventoried, the HIV viral load was lowered medicinally and the operation team informed. During each operation a consultant was present in the operating theatre to provide advice in the case of a needlestick or cut accident. No accidents occurred. Both patients were discharged to home in a good condition.