Legionnaires' Disease Outbreak at a Resort in Cozumel, Mexico.

 A Legionnaires' disease (LD) outbreak at a resort on Cozumel Island in Mexico was investigated by a joint Mexico-United States team in 2010. This is the first reported LD outbreak in Mexico, where LD is not a reportable disease.  Reports of LD among travelers were solicited from US health departments and the European Working Group for Infections.