Public health officials in London, Ont., are redeclaring an outbreak of legionnaires' disease after confirming 25 new cases and identifying the source of the bacteria.

The Middlesex-London Health Unit says testing at the Sofina Foods plant in the city's east end found a match to the subtype of legionella bacteria linked to the outbreak.

The health unit says food products from the plant remain safe to eat, as legionnaires' disease is spread when people breathe in small droplets of water containing the bacteria and it's not transmitted from eating or drinking.

Legionella bacteria occur naturally in soil and water and can grow in places such as cooling towers, hot water tanks and air-conditioning systems in large buildings.

The health unit says there have been 95 confirmed cases of the re

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