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UK health authorities say a Salmonella Enteritidis strain found in eggs from Ukraine is associated with 78 confirmed illnesses, with cases identified in England in 2025 and 2026 and two in Wales. The affected eggs were from Yasensvit and carried code 3UA1012066; UK food agencies asked businesses to stop using them. Ukrainian authorities said they would inspect the producer and test samples.
UK health authorities have linked a Salmonella Enteritidis strain found in eggs from Ukraine to 78 confirmed illnesses with samples collected between December 2024 and September 2026. The Food Standards Agency and Food Standards Scotland asked businesses to stop using affected eggs from producer Yasensvit, identified by the code 3UA1012066.
The UK Health Security Agency (UKHSA) reported that the strain is associated with 40 illnesses in England in 2026 and 36 in 2025. The full case count includes two people in Wales; the remaining cases were in England. The case sample dates extend from Dec. 17, 2024, to Sept. 26, 2026, so the 78-case total is not limited to illnesses that began in 2025 and 2026.
During October testing, Salmonella Enteritidis was detected in three pooled samples, each made up of six eggs from the Ukrainian producer. Nine bacterial isolates were sent to a reference laboratory. Whole genome sequencing found them to be the same strain and linked it to human infections, according to the report. The testing was part of wider UK work involving nearly 3,000 eggs in a large Salmonella outbreak associated with imported eggs.
The sampled eggs were reportedly laid and packaged on Aug. 23, 2026, with a best-before date of Sept. 19. Sampling took place on Sept. 23, four days after that date. The report identifies the affected eggs by their stamped code, but does not provide further information about where or how many were sold.
The Scope of the Egg-Linked Cases
The case count shows that a foodborne outbreak investigation has connected illnesses across more than one year to a specific egg strain and product code. That matters for food businesses handling imported eggs, which were asked by UK agencies to stop using the identified batch, and for authorities tracing supply and distribution.
The 78 illnesses are part of a broader investigation involving a reported 700-patient Salmonella outbreak connected to imported eggs; the source material does not say that all 700 cases were linked to the Ukrainian eggs. Keeping those figures distinct is important: the Ukrainian strain is associated with 78 confirmed cases, while the wider outbreak has a larger reported total and a separate scope.
Authorities have identified cases in England and Wales, with 32 in London and 24 in the East of England. Those regional counts indicate where patients lived, but do not by themselves establish where exposure occurred. The report also describes six confirmed patients in a June 2026 outbreak linked to a restaurant in Yorkshire and the Humber that used non-UK eggs for some dishes; it does not establish that this restaurant outbreak involved the Ukrainian batch.
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The investigation involved UKHSA, with food-safety action by the Food Standards Agency and Food Standards Scotland. According to the report, microbiological testing of almost 3,000 eggs formed part of work on a larger outbreak linked to imported eggs. Testing found Salmonella Enteritidis in a batch from Ukraine, while sequencing connected the isolates from that batch to the strain associated with human cases.
The producer named in the report is Yasensvit, part of the Ovostar Union Group. The report describes it as one of Europe’s largest egg and egg-product producers, operating in international markets. The company had previously urged people not to draw what it called “premature conclusions” until all facts had been established.
Ukraine’s State Service of Ukraine on Food Safety and Consumer Protection said it would inspect the company in Kyiv and take product samples for laboratory testing to verify information received from UK authorities. That planned inspection is a separate step from the UK laboratory findings and had not been reported as complete in the supplied material.
““premature conclusions””
— Yasensvit
Distribution and Exposure Still Unclear
The report does not state how many affected eggs entered the UK market, which businesses received them, or whether any remain in circulation. It also does not provide a complete account of how each patient was exposed, so the case totals should not be read as proof that every person ate eggs from the identified batch.
The reported sequencing evidence links the egg isolates to the human-infection strain, but details of the investigation’s case-by-case evidence are not included. The timing of the reported sampling also merits precision: the eggs’ best-before date was Sept. 19, while sampling took place Sept. 23. The source does not explain why the eggs were sampled after that date or whether they were still available for sale or use.
The Ukrainian inspection and testing were announced as planned actions. Results, any further restrictions, and whether additional cases or products will be linked to the strain remain unknown in the supplied material.
Inspection and Product Testing Ahead
The next reported step is the Ukrainian food-safety authority’s inspection of Yasensvit’s Kyiv operation and laboratory testing of product samples. The findings could help verify the information shared by UK authorities, though no timetable or results were provided.
UK food agencies and health authorities may continue tracing the affected product code through businesses and reviewing illness reports. The report does not give a date for further UK updates, so the status of any additional controls or case findings is not yet known. Businesses and consumers seeking product-specific guidance should use current notices from the relevant UK food-safety agencies rather than assume that all eggs from Ukraine are affected.
Key Questions
How many illnesses have been linked to the Ukrainian egg strain?
The report gives 78 confirmed cases with sample dates from Dec. 17, 2024, through Sept. 26, 2026. It says 40 illnesses were associated with the strain in England in 2026 and 36 in 2025; two other cases were in Wales.
Which eggs did UK agencies identify?
The affected eggs were from Yasensvit and carried the stamped code 3UA1012066. The Food Standards Agency and Food Standards Scotland asked businesses to stop using them.
How did investigators connect the eggs to human infections?
Salmonella Enteritidis was detected in three pooled samples of six eggs each. Whole genome sequencing of nine isolates found the same strain and linked it to human infections, according to the report.
Are all 700 cases in the wider outbreak linked to these eggs?
No such link is established in the supplied report. It describes a larger outbreak of 700 patients connected to imported eggs and separately reports 78 cases associated with the strain found in the Ukrainian batch.
What happens next?
Ukraine’s food-safety authority said it would inspect Yasensvit’s operation in Kyiv and take samples for laboratory testing. The report does not provide the inspection results or a date for the next update.
Source: foodsafetynews.com
