USA – Outbreak Investigation of E. coli O157:H7: Power Greens Packaged Salad (January 2022) is Over.


The FDA and CDC, in collaboration with state and local partners, investigated illnesses in a multistate outbreak of E. coli O157:H7. According to the CDC, as of March 2, 2022, this outbreak has ended. Consumer purchase data indicated that seven people purchased Nature’s Basket Power Greens or Simple Truth Organic Power Greens at grocery stores before becoming sick.

FDA conducted a traceback investigation on the products of interest. Farms from both the Yuma, AZ and Salinas, CA growing regions were identified to have supplied product that could have been available to consumers, however no single production code was identified by the traceback. During FDA’s investigation, environmental samples collected near farms identified in the traceback in the Yuma, AZ and Salinas, CA growing regions tested positive for Shiga-toxin producing E. coli (STEC), however all were different strains and did not match the strain identified in this outbreak.


CDC announced this outbreak is over. The product is past expiration and should no longer be available to consumers. Therefore, there are no recommendations for consumers, retailers, or suppliers.

Case Count Map Provided by CDC

Outbreak Investigation of E. coli O157:H7: Packaged Salad - CDC Case Count Map (January 6, 2022)

Case Counts

Total Illnesses: 10
Hospitalizations: 4
Deaths: 0
Last Illness Onset: December 19, 2021
States with Cases: AK (2), OH (1), OR (1), WA (6)

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