Canada: London, Ontario Legionnaires' disease update

In a follow-up on the Legionnaires’ disease outbreak in the London, Ontario area, The Middlesex-London Health Unit now reports 66 cases attached to the outbreak, including two fatalities, as of July 14.

Most of the cases live and/or work in a 6 km radius of one another in the southeast side of the city. The cases ranged in age from 23 to 93.

The Health Unit is still working in partnership with Public Health Ontario and the Public Health Ontario Laboratories to investigate and identify the source of the outbreak. Environmental sampling of potential sources of Legionella is ongoing.