Costco has issued a major recall of its Kirkland Signature Ahi Tuna Wasabi Poke product after tests revealed potential contamination with Listeria monocytogenes in the green onions used. The recall covers over 3,300 pounds of product sold across 33 states , raising serious safety concerns regarding ready-to-eat items with raw or minimally processed components.
Listeria monocytogenes is a dangerous pathogen because it can survive in cooler environments, including refrigeration, and because its incubation period is longer than many bacterial foodborne illnesses. Once ingested, it can cause symptoms ranging from mild flu-like conditions to severe disease like meningitis, septicemia, or complications in pregnancy. Even if the consumer doesn’t notice immediate symptoms, the health consequences