"I would like to take this opportunity to again express my sincere sympathy to the friends and family of the patient who passed away yesterday. My thoughts are with them at this very difficult time.
"This is an extremely sad development. However, it is reassuring that the number of cases involved in the outbreak remains static and this is further evidence that the outbreak has reached its peak."
The Scottish Health Secretary says there are 24 confirmed and 37 suspected cases of Legionnaires' disease. She expects this figure to rise.
Legionnaires' is a disease that strikes fear in people and its history shows it can be deadly.
The Scottish Health Secretary will today update MSPs on efforts to deal with a deadly outbreak of Legionnaires' disease in Edinburgh.