An outbreak of cases of E. coli linked to contaminated romaine lettuce is still being investigated in Ontario, Quebec, New Brunswick and several U.S. states.

The Public Health Agency of Canada is collaborating with provincial public health partners, the Canadian Food Inspection Agency, Health Canada, as well as the United States Centers for Disease Control and Prevention (U.S. CDC) and the United States Food and Drug Administration (U.S. FDA), to investigate the outbreak and the cause of contamination.

Currently, there is no evidence to suggest that residents in other parts of Canada are affected by this outbreak.

The outbreak investigation is ongoing.

On Nov. 26, the U.S. FDA and U.S. CDC released new information about the ongoing outbreak investigation, pointing to romaine lettuce harvested in parts of California as the potential source of the outbreak of E. coli O157 that has resulted in illnesses on both sides of the border. In response, the Canadian Food Inspection Agency released a statement about actions being taken in collaboration with Canada’s food industry to provide confidence that produce purchased in Canada remains safe to consume.

As of Nov. 29, the Public Health Agency of Canada has been advising consumers in Ontario, Quebec and New Brunswick to avoid eating romaine lettuce and salad mixes containing romaine lettuce unless they can identify that the romaine lettuce being purchased did not come from an affected growing region in California outlined on the U.S. FDA’s website.

Click here to read the federal government’s public health notice, which is being updated as the Canadian investigation evolves.

Click here to learn about the actions that the Canadian Food Inspection Agency is taking in response to the outbreak.

Click here to read the statement from the U.S. FDA.

If you have any questions or concerns, you can reach out to Lauren van den Berg, Restaurants Canada National Vice President, Government Affairs, at or David Lefebvre, Restaurants Canada Vice President, Federal and Quebec, at


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