Toronto Legionnaires' disease outbreak investigation

Canada — Toronto Public Health is investigating a Legionnaires' disease outbreak centered around the intersection of Bathurst and Dupont streets in Canada — Toronto. Six confirmed cases have been identified among people who live, work, or visited the area, with symptoms developing between July 2 and July 26, 2026. The source of the bacteria has not been confirmed, but officials are conducting on-site inspections and environmental sampling. They are also examining a possible link to a previous outbreak at Castleview Wychwood Towers, a nearby long-term care home, where five cases were confirmed earlier in July. The disease is caused by Legionella bacteria found in water systems, and it does not spread person-to-person, so the public risk is considered low. Canada — Toronto Public Health has notified local hospitals and implemented precautionary measures.