GM said a third-party confirmed the presence of Legionella bacteria in the Cole Engineering building in Warren.
GM said it is making a plan to fix the affected area.
General Motors confirmed that its Cole Engineering Center at the GM Technical Center in Warren tested positive for the presence of the bacteria that causes Legionnaires' disease.
GM spokeswoman Tara Kuhnen said on Sept. 24 that the automaker will keep the building closed for at least this week as it makes a plan to clear the building of the bacteria so that employees can safely return to their offices.
As was first reported by the Detroit Free Press , GM initially closed the building, where many of GM's engineers and designers work on advanced vehicles design, engineering and research, on Sept. 10 after two employees cam