An outbreak of methicillin-resistant Staphylococcus aureus surgical-site infections initiated by a healthcare worker with chronic sinusitis.

An investigation was performed following two methicillin-resistant Staphylococcus aureus surgical-site infections in a 946-bed French general hospital. The investigation revealed that the outbreak involved 7 patients in 2 surgical wards and that infections were probably contracted in the operating theater from a healthcare worker suffering from chronic sinusitis.