Canada is grappling with a Listeria outbreak linked to plant-based milk products that has resulted in two deaths and multiple hospitalizations. This incident has caught the attention of health experts and consumers alike, challenging the perception of plant-based alternatives as universally healthier options, according to Global News.
The Public Health Agency of Canada reported 12 confirmed cases of Listeria infection between August 2023 and early July 2024. The majority of cases occurred in Ontario, with additional incidents in Quebec and Nova Scotia. Most affected individuals were adults over 60, with ages ranging from 37 to 89.
As reported by Food Poisoning News last week, the Canadian Food Inspection Agency (CFIA) issued a nationwide recall on July 8th for 18 different beverages under the Silk and Great Value brand names. The recall encompasses a variety of plant-based milk alternatives, including almond, oat, coconut, and cashew milk products with expiration dates up to October 4th, 2024.
Experts are puzzled by this outbreak, as plant-based milks are not typically associated with Listeria contamination. Dr. Lori Burrows, a professor at McMaster University, noted the unusual nature of the outbreak, given that consumers often view plant-based milks as a healthier alternative to dairy.
The source of contamination remains under investigation. Lawrence Goodridge, director of the Canadian Research Institute for Food Safety, suggests that the issue likely occurred during processing. Possible scenarios include a breakdown in the heat treatment process or contamination during packaging.
Listeria monocytogenes, the bacteria responsible for the outbreak, is commonly found in soil but can cause serious illness when it contaminates food. Listeriosis is an infection that causes fever, gastrointestinal symptoms, and muscle aches and is caused by the consumption of food contaminated by bacterium Listeria monocytogenes. Unlike other strains of bacteria, listeria multiplies in foods stored in the refrigerator. Pasteurization and thorough cooking are the most effective methods of killing the bacteria and preventing infection.
The incubation period for Listeria can be lengthy, with symptoms potentially appearing up to two months after consuming contaminated food. This extended timeframe complicates tracing efforts and may result in additional cases being reported as the investigation continues.
Health officials are urging consumers to check their pantries for recalled products and to dispose of or return any affected items. They also emphasize the importance of good sanitation practices in food preparation to prevent Listeria infections, such as not making food for others if ill.
Commenting on this story, one national Listeria lawyer said, “Even perceived “healthier” food options can pose risks if not properly processed and handled. Listeria infection can be especially dangerous for pregnant women so I recommend that consumers with any of the affected products stop drinking them and dispose of them immediately.”
