USA – Outbreak Investigation of Salmonella: Onions (October 2023) – CDC Outbreak is Over

FDA

Sample Product Image from the Outbreak Investigation of Salmonella Related to Onions (October 2023)

Product

Recalled Gills Onions-brand diced yellow onions, diced onions & celery, diced mirepoix, and diced red onions with use-by dates in August 2023.

The US Food and Drug Administration’s (FDA) investigation is complete; the Centers for Disease Control and Prevention (CDC) declares the outbreak over.

Stores Affected

  • Recalled Gills Onions were sold to foodservice and institutions nationwide and in Canada. The firm has directly notified foodservice customers who received recalled product.
  • Recalled product was sold to retailers in Arizona, California, Idaho, Montana, Oregon, and Washington.

The FDA and CDC, in collaboration with state and local partners, investigated an outbreak of Salmonella infections linked to recalled diced onions under the Gills Onions brand name.

As part of this investigation, FDA collected multiple water, environmental, and product samples from the farm that supplied the contaminated onions to Gills Onions. Six of the samples, three water and three environmental, were positive for Salmonella spp. Whole Genome Sequencing (WGS) analysis confirmed that the strain of Salmonella found in isolates associated with three of the samples matched the same strain of Salmonella causing illnesses in this outbreak. Additional Salmonella isolates from the samples were detected, and CDC identified people who got sick with these strains of Salmonella. FDA and CDC partners reviewed the available data; however, there was not enough epidemiologic or traceback evidence to implicate a product or source of contamination for those illnesses.

As of December 4, 2023, CDC announced that the outbreak is over. CDC reports a total of 80 illnesses in 23 states. There has been a total of 18 hospitalizations and one death associated with this incident. The last illness onset was November 11, 2023. FDA’s investigation is complete.

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