GlaxoSmithKline shut down its plant in Zebulon, NC on Tuesday after discovering the bacteria that causes Legionnaires’ disease in a self-standing cooling tower. The plant produces inhaled drugs including asthma drug Advair, and contracts with other pharmaceutical companies to produce their drugs. The company said in a statement that the cooling tower “does not come into contact with product manufactured at the facility.”   Approximately 400 of the 850 employees at the Zebulon facility were tol...