US health authorities are investigating a nationwide foodborne illness outbreak linked to alfalfa sprouts, reporting 55 confirmed cases across 15 states and four hospital admissions.
Linked to sprouts from single Minnesota grower
The US Centers for Disease Control and Prevention (CDC) said the illnesses have been reported in states including Florida, Indiana, Iowa, Kansas, Michigan, New Hampshire, New York, Pennsylvania, North Carolina, South Carolina, North Dakota, South Dakota, Washington and the neighbouring states of Minnesota and Wisconsin. State health departments in Minnesota and Wisconsin recorded more than three dozen cases between them.
Investigators have associated the illnesses with alfalfa sprouts produced by Everything Sprouts, a Minnesota company, and sold under the Calco and Everything Sprouts brands to restaurants and grocery stores. The US Food and Drug Administration (FDA) said it is aware of the situation; the company had not issued a formal recall at the time officials published their most recent update.
Multiple pathogens detected
Unlike many outbreaks, which are typically driven by a single organism, authorities said this event involves both Salmonella and several strains of Escherichia coli (E. coli), including shiga toxin‑producing E. coli (STEC). Of 34 ill people interviewed by public‑health officials, 26 reported eating alfalfa sprouts.
STEC infections can present with abdominal cramps and bloody diarrhoea and may in a minority of cases progress to haemolytic uraemic syndrome (HUS), a severe complication that can cause acute kidney injury. Salmonella commonly causes diarrhoea, fever and vomiting and can lead to dehydration and, in vulnerable people, more serious disease.
- Total confirmed cases: 55
- Hospitalisations: 4
- States affected: 15
- Supplier under scrutiny: Everything Sprouts (Minnesota)
Public‑health agencies are conducting interviews and epidemiological tracing to determine the full extent of the outbreak and whether additional products or distribution channels are implicated. The FDA previously issued a warning letter to Everything Sprouts after an inspection identified concerns, including structural issues at the facility.
Public‑health implications and consumer advice
Sprouts are a recognised food‑safety risk because the warm, humid conditions used for sprouting are also favourable for bacterial growth. In past outbreaks linked to sprouts, even low levels of contamination at the seed stage can be amplified during germination.
Health agencies advise consumers and food businesses to take particular care with raw sprouts, especially for people at higher risk of severe illness such as young children, the elderly, pregnant people and those with weakened immune systems. Steps that reduce risk include avoiding raw sprouts if vulnerable, thoroughly cooking sprouts before consumption and following recalls and guidance issued by food‑safety authorities.
At the population level, rapid identification of the vehicle and supplier is critical to limit further spread. The presence of multiple pathogens complicates investigation and emphasises the need for thorough traceability in food supply chains. The FDA and state partners are continuing inspections and sample testing; further public updates are expected as lab results and traceback information are completed.
While the CDC and FDA updates provide a snapshot of the outbreak, it is important to note limitations in the data: not all cases are necessarily identified or reported, and interview data rely on memory recall about foods consumed. A causal link between the sprouts and every reported case will be established by combining epidemiological, laboratory and trace‑back evidence.
Consumers who believe they became ill after eating sprouts should seek medical advice, and clinicians are asked to report suspected cases to their local health department to support surveillance and control efforts.
