A US recall of organic blueberries has escalated to a deadly threat, sparking global concern over food safety and the growing risks of listeria outbreaks. The US Food and Drug Administration (FDA) has issued its highest-level warning after detecting listeria monocytogenes in a recent shipment of fruit.
Here's what UK consumers should know and who is most vulnerable.
Blueberry Recall Escalated to FDA's Highest Risk Level
On 9 June 2025, as reported by Healthline, US-based Alma Pak International LLC issued a voluntary recall of nearly 12,000 pounds of organic blueberries after routine testing revealed contamination with listeria monocytogenes. The affected fruit was shipped in bulk 30-pound boxes with lot numbers 13325 G1060 and 13325 G1096.
Although the company initially stated the blueberries were sent to just one customer in North Carolina, the FDA has since upgraded the recall to Class I — the most serious level — on 1 July. This designation indicates a high probability that consuming the product could result in serious illness or death.
Why Listeria Contamination Can Be Fatal
Listeria monocytogenes is a particularly dangerous foodborne pathogen. It causes listeriosis, a serious infection that can lead to severe symptoms such as fever, muscle aches, vomiting and diarrhoea. In advanced cases, it may result in meningitis, bloodstream infections, and even death.
According to the US Centers for Disease Control and Prevention (CDC), listeria is responsible for approximately 1,600 infections and 260 deaths in the United States each year. Though no illnesses have yet been directly linked to this recall, the FDA's escalation signals the potential gravity of the situation.
The incubation period for listeria can range from a few days to up to 70 days, increasing the challenge of timely diagnosis and intervention.
Most Vulnerable Groups to Listeria Infection
While healthy adults may experience only mild symptoms, certain individuals are at far greater risk of severe outcomes. These include:
- Pregnant women, who may experience miscarriage, stillbirth, or severe neonatal infection
- Older adults, particularly those over 65, due to weakened immune responses
- Infants and young children, whose immune systems are still developing
- Immunocompromised individuals, such as cancer patients, transplant recipients or those with chronic illnesses
Listeria can cross the placenta during pregnancy, making it especially lethal for unborn children. The impact on vulnerable populations makes recalls like this one particularly urgent.
What Consumers Should Do Now
Consumers in the UK are advised to check product labels and remain cautious if they've purchased imported blueberries, especially from online retailers or bulk suppliers. Any boxes labelled with the affected lot numbers should be discarded or returned.
Although Alma Pak and the FDA have stated that all contaminated products were recovered before reaching the public, the risk cannot be entirely ruled out due to international distribution chains.
Anyone experiencing symptoms consistent with listeria infection should seek medical advice immediately and disclose any potential exposure to the recalled blueberries.
Global Rise in Listeria Recalls Raises Concern
This blueberry recall follows a string of food safety alerts, including recent recalls of chicken-based ready meals and leafy greens. Experts warn that climate change, cross-border trade, and growing supply chain complexity are contributing to an increase in foodborne pathogens.
With food safety concerns on the rise, particularly regarding listeria in fruit, health agencies are urging greater awareness and stricter quality controls.
A Hidden Danger in Every Fruit Basket?
The FDA's deadly blueberry recall serves as a critical reminder of the hidden dangers in everyday foods. While the immediate risk to UK consumers appears limited, staying informed and vigilant is essential, especially for those most vulnerable.
