The U.S. Food and Drug Administration upgraded the recall of Publix frozen blueberries and mixed berries to a Class I risk level [1].

This classification represents the highest risk level used by the agency. It indicates that the contaminated products could cause serious health problems or death for consumers.

The recall affects GreenWise Organic Whole Blueberries and Whole Mixed Berries [1, 3]. These products were sold through Publix supermarkets, a grocery chain based in Florida [1, 2]. The FDA first announced the recall on July 29, 2024 [2].

The agency raised the severity of the recall because of potential E. coli contamination [1, 4]. E. coli is a bacterium that can cause severe gastrointestinal illness, and certain strains can lead to kidney failure in vulnerable populations [4].

Class I recalls are reserved for situations where there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences [1]. The FDA monitors these cases to ensure that affected products are removed from store shelves and consumer freezers.

Consumers who purchased the GreenWise Organic berries are advised to check their packaging and dispose of the items, or return them to the store. The agency continues to track the distribution of the affected batches to prevent further exposure [1, 2].

The FDA upgraded the recall of Publix frozen blueberries and mixed berries to a Class I risk level.

The shift to a Class I recall signifies a critical escalation in the perceived danger of the product. While initial recalls may be precautionary, the highest-risk designation typically follows evidence of a significant health threat, such as the presence of E. coli, which necessitates immediate consumer action to avoid severe illness.