Legionnaires’ Disease Outbreak Leaves One Dead, More Than 40 Infected in London, Ontario

This 2009 colorized 8000X electron micrograph image shows a large grouping of Gram-negative Legionella pneumophila bacteria. The Canadian Press/AP-Janice Haney Carr

London, Ont., public health officials have declared an outbreak of legionnaires’ disease in the region, which officials say has left one person dead and more than 40 others infected.

The Middlesex-London health unit says there have been 43 cases of legionnaires’ disease in the city of London this year, one of which led to the death of the individual, according to a July 8 news release.