Publix has pulled its store-brand organic frozen blueberries from every location in its footprint after federal investigators tied the fruit to an outbreak of a toxin-producing strain of E. coli. The grocery chain recalled all lots of the affected products, and the action has since widened to include a companion mixed-berry item, as the Food and Drug Administration continues to trace the source of the contamination.
The recalled fruit is frozen, which means it can sit unnoticed in home freezers for months, and that longevity is a large part of why officials have urged shoppers to check their supplies rather than assume the problem has passed. The strain involved is not the sort of E. coli that causes a passing stomachache; it can trigger severe, sometimes bloody illness and, in vulnerable people, life-threatening complications.
The GreenWise organic products recalled
The recall covers Publix’s GreenWise Organic Whole Blueberries and Whole Mixed Berries, sold in 10-ounce and 48-ounce packages. Publix moved to stop the sale of all lots of the frozen items rather than a narrow range of production dates, a broad approach that reflects the difficulty of pinpointing exactly which bags carry the bacteria. The company said the affected products are no longer available for purchase.
Because Publix operates only in the U.S. Southeast, the recalled fruit was distributed across the states where the chain has stores: Alabama, Florida, Georgia, Kentucky, North Carolina, South Carolina, Tennessee and Virginia. Shoppers in those states are the ones most likely to have the products at home.
Why E. coli O145 is dangerous
The contamination involves E. coli O145:H28, a member of a group known as Shiga toxin-producing E. coli, or STEC. According to the FDA’s outbreak investigation, these bacteria can cause severe stomach cramps, diarrhea that is often bloody, and vomiting, typically beginning a few days after exposure. Most people recover within a week, but the toxin can lead to a serious kidney complication called hemolytic uremic syndrome, a risk that is highest in young children and older adults.
Standard freezing does not reliably kill this kind of E. coli. Cold temperatures halt the bacteria’s growth but keep it dormant rather than destroying it, which is why a contaminated product can remain hazardous for the entire time it stays frozen. Thorough cooking can kill the organism, but frozen berries are frequently eaten raw in smoothies, on cereal or straight from the bag, leaving little margin for error.
How the outbreak was traced
The recall grew out of an active outbreak investigation rather than a routine quality check. Early in the inquiry, health officials had documented a cluster of illnesses across more than one state, including hospitalizations, and used interviews and testing to link the cases back to the frozen berries. As investigators gathered more evidence, the recall expanded from blueberries alone to include the mixed-berry product, a common pattern when a shared ingredient or production line is implicated.
Outbreak tallies tend to lag behind reality because it takes time for an illness to be reported, confirmed and connected to a specific food. That reporting delay is one reason authorities err on the side of a wide recall: the known case count is almost always an undercount of the true reach at the moment an alert goes out.
What shoppers should do now
Health officials advise anyone who bought the recalled GreenWise organic blueberries or mixed berries not to eat them, even if the fruit looks and smells normal, since contamination is invisible. The guidance is to throw the products away or return them to a Publix store for a refund, and to wash and sanitize any surfaces, containers or utensils the berries may have touched, because the bacteria can spread from one food to another.
People who ate the fruit and then developed severe diarrhea, especially if it is bloody, persistent vomiting, or signs of dehydration are urged to contact a health care provider and mention the possible exposure. Symptoms that point toward the kidney complication, such as decreased urination, extreme fatigue or unusual paleness, warrant prompt medical attention. For most healthy adults the illness is miserable but self-limiting; the recall exists to protect the smaller group for whom this strain of E. coli can turn dangerous fast.
This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.
More from Morning Overview