A recall of frozen berries has been classified as a Class I recall by the Food and Drug Administration. This classification is the FDA's most serious. The recall involves GreenWise frozen blueberries and frozen mixed berries.

The FDA has designated the recall with this high-level classification, indicating a significant concern. Further details about the recall are available from the source.

For more information about the recall, including the reason for the Class I designation, readers can consult the original source. The recall affects specific GreenWise products, namely frozen blueberries and frozen mixed berries.