Shell Shocked: the warning ignored
The Food Standards Agency (FSA) is warning under-fives, over-65s, pregnant women and people with underlying health conditions to avoid under-cooked or runny eggs when eating out, along with freshly-made products likely to contain uncooked egg such as mayonnaise, soufflé and hollandaise sauce, as a national Salmonella outbreak linked to imported eggs continues to grow. Well-cooked eggs from restaurants, cafes and takeaways remain fine to eat, the agency said.
Ian Young, the FSA's chief scientific adviser, told the BBC: "If people are eating out or consuming eggs or egg-containing products from cafes and restaurants then for those people in particular who are young, elderly, pregnant or vulnerable, it's important to make sure that any eggs or egg products that you consume in those settings have been very well cooked." He reiterated that eggs bought in British supermarkets remain unaffected, since UK hens are vaccinated against the Salmonella strains involved: "There is no link to those eggs to this current outbreak." He described the outbreak as "unusually large and rapidly increasing," adding: "People need to be careful."
Jacquelyn McCormick, head of incidents at the FSA, said the agency's underlying advice is unchanged: thoroughly cooked eggs that are handled hygienically should not present a food safety risk. Notably, the FSA continues to treat British Lion and Laid in Britain assurance-scheme eggs as the exception permitted for vulnerable groups to eat runny or raw — a distinction that keeps both UK schemes squarely at the centre of the safety narrative as the outbreak plays out.
Catering supply chains under the microscope
Evidence gathered so far points to most infections being picked up in the food service and catering sector — restaurants, cafes and takeaways — rather than in home cooking, shifting scrutiny onto that part of the supply chain. None of the five implicated food businesses has been named, but investigators believe the premises source eggs from multiple suppliers, including imported ones, and in some localities there have also been questions raised over hygiene practices at the premises themselves. That mixed picture matters for the industry: it complicates any simple read of the outbreak as solely an egg-origin issue, since handling and storage at the point of use are also under scrutiny.
The FSA has separately issued fresh guidance to catering businesses on the safe storage, handling and use of eggs — an indication that procurement and kitchen practice, not just the egg supply chain, are under regulatory attention.
Industry anger over import standards
The outbreak has prompted a strong response from British egg producers, who argue it is the direct consequence of allowing eggs into the UK that are not held to the same food safety standards as domestic production.
Nick Allen, Chief Executive of the British Egg Industry Council (BEIC), said: "It is deeply concerning that imported eggs are once again under scrutiny in connection with a serious Salmonella outbreak.
"We have repeatedly raised concerns about the risks associated with imported eggs and egg products with Government, most recently through our Shell Shocked report. British Lion egg producers have invested heavily in world-leading food safety controls, including mandatory Salmonella vaccination, traceability and independent auditing, yet increasing volumes of imports produced under less stringent regulations continue to arrive.
"There must be a level playing field. Imported eggs and egg products entering the UK should meet standards equivalent to those expected of British producers if we are serious about protecting British consumers. Food businesses and caterers should not have to compromise on food safety when sourcing eggs.
"Consumers and businesses can look for the British Lion mark as a clear sign of assurance. British Lion eggs are recognised by the Food Standards Agency as safe to be served runny or even raw to vulnerable groups."
Gary Ford, Head of Strategy and Producer Engagement at the British Free Range Egg Producers Association (BFREPA), echoed those concerns, warning that repeated incidents risk damaging the reputation of the entire UK egg sector regardless of where the affected eggs actually originated:
"This latest Salmonella Enteritidis outbreak, which has been linked to imported eggs and follows a similar outbreak in 2025, is extremely worrying for the UK egg sector. British producers are deeply concerned, angry and feel badly let down by the Government.
"We have consistently raised serious concerns with ministers about trade policy that allows eggs to be imported into the UK which are not produced to the same standards required of British farmers. The fear now is that problems associated with imported eggs risk damaging the hard-earned reputation for food safety that the British egg industry has spent the past 30 years building.
"Whatever the country of origin of the affected eggs, an outbreak like this has the potential to undermine consumer confidence in eggs as a whole. We are all in this together, which is why it is vital that the Government acts to protect both consumers and the reputation of the UK egg sector.
"We are again calling for tighter controls and safeguards on imported eggs, and we will be writing to the Prime Minister to set out the industry's serious concerns.
"British eggs are produced under an extensive range of food-safety safeguards. These include vaccination, rigorous testing and robust monitoring throughout the supply chain — from day-old chicks and pullets in rear, through to laying farms and packing centres. This is governed by the Government's National Control Programme for Salmonella and further strengthened by the Lion Code of Practice.
"Together, these measures have given British eggs an outstanding food-safety record. Our producers work incredibly hard to maintain those standards, and we cannot allow that reputation, or consumer confidence in eggs, to be put at risk by imports that are not produced to equivalent standards."
How British eggs are kept safe
The vaccination of commercial hens against common Salmonella strains, which began in the UK in the mid-1990s, has been described as a "major public health success" that has "substantially reduced egg-associated salmonella infections," according to Dr Charlotte Hammer of the University of Cambridge. The British Lion Scheme, launched in 1998, built on this by requiring suppliers to follow a strict code covering hen vaccination, regular testing and a passport system for traceability.
Paul Wigley, professor in animal microbial ecosystems at the Bristol Veterinary School, said the risk remains concentrated in imported produce: "We do still import a large number of eggs and egg product, and salmonella could be contained within these because the countries in which they're produced don't use that same level of control."
Mark Williams, chairman of the British Egg Industry Council, said food businesses that import eggs should check their supply lines for vaccination information and confirm that all food safety checks have been carried out.
Industry says import warning went unheeded
Nick Allen's reference to BEIC's "Shell Shocked" report is significant: it is not the first time the industry has raised the alarm. Published on 24 March 2026, the report set out in detail the scale of the UK's growing reliance on imported eggs and the risks that come with it. It found that egg imports have risen 60% since 2021 — from 1 billion to 1.6 billion eggs a year, an increase of more than 600 million — driven largely by supply from Ukraine and Poland, against a backdrop of more than 14 billion eggs consumed in the UK annually.
Ukraine has been the single largest driver of that growth. Under the UK-Ukraine Free Trade Agreement, Ukrainian eggs have had tariff-free access to the UK market since May 2022, an arrangement due to run until March 2026 but since extended to March 2028. Ukrainian egg exports rose 65.6% in 2025 compared with 2024, and the UK became one of the largest destinations for that trade: around 8 million kilograms of Ukrainian eggs arrived in the UK in the first part of 2025 alone, more than from Poland and Spain combined, with the number of individual consignments entering the UK growing from roughly 3,500 in 2023 to more than 10,000 in 2024. The report's central concern is that much of this supply comes from conventional battery cage systems, a method banned in the UK since 2012, undercutting British producers who together have invested around £400 million moving to higher-welfare systems.
On food safety, the report draws on the Food Standards Agency's 2024 risk profile of imported eggs, which found that they can carry microbiological hazards — non-typhoidal Salmonella, including Salmonella Enteritidis and Salmonella Typhimurium, the most frequently reported — as well as chemical contaminants and veterinary drug residues. Analysis of the EU's Rapid Alert System for Food and Feed (RASFF) between 2020 and 2025 recorded 111 notifications relating to eggs and egg products, 81 of them (73%) concerning Salmonella, rising to a peak of 34 notifications in 2024 alone. The report's timeline of incidents includes a 2024 outbreak linked to eggs imported from Poland that caused more than 200 UK cases, and a 2025 UK outbreak linked to a single imported egg distributor that resulted in 123 confirmed illnesses between May and October 2025 — the earlier outbreak both Nick Allen and Gary Ford refer to in their statements above.
The report also examined weaknesses in UK border controls. Eggs are classified as "medium risk," with a baseline physical inspection rate of just 15% of consignments, and microbiological or antibiotic residue testing is not mandatory even within that 15% — sampling frequencies are not made public. Food safety expert Dr Lisa Ackerley, who reviewed the regime for the report, identified several structural weaknesses, including that fraud or mislabelling may go undetected where consignments are never selected for inspection. Parliament's Environment, Food and Rural Affairs Committee is quoted in the report warning that the evidence suggests unchecked products are effectively "being let in through the front door," and that the system is "dysfunctional" without stronger enforcement. By contrast, the report notes, the EU — despite having lower egg safety standards than the British Lion Code — launched a dedicated task force on food and feed safety in January 2026 and announced a 50% increase in audits of non-EU exporting countries in December 2025.
Consumer research commissioned by BEIC (Obsurvant, February 2026, 2,007 respondents) found that while only 30% of UK adults knew that battery cage eggs, though illegal to produce domestically, can still be legally imported, 82% said they were concerned once informed, 91% were concerned about food safety risks from imported eggs specifically, and 84% supported a Government ban on imports of battery-cage eggs. The British Lion mark remains the public's main point of reassurance, with 80% consumer awareness, ahead of Red Tractor (65%) and RSPCA Assured (25%).
The report's recommendations were to align import standards with domestic requirements, strengthen border and inspection controls including mandatory Salmonella and residue testing, improve transparency through country-of-origin and production-method labelling, and maintain policy support for domestic producers. BEIC and BFREPA now argue that the current outbreak is precisely the scenario Shell Shocked warned about, and that its recommendations should have been acted on before cases began to rise.
What we still don't know
Health officials stress that eggs have not yet been confirmed as the source, and UKHSA is continuing to interview people who have caught the infection. Local authorities are testing businesses believed to be involved, alongside some opportunistic testing, while investigators work through the whole supply chain — where the eggs or egg products were eaten, supplied, stored and farmed. Tracing the exact source and country of origin is complicated by the fact that businesses importing large volumes of eggs often draw on mixed sources. UKHSA has alerted other countries to the outbreak so they can check for genetically similar infections of their own.
Dr Gauri Godbole of UKHSA noted that outbreaks growing this quickly are "relatively unusual," meaning scientists will also want to establish what allowed this one to spread as fast as it did.
A reminder: how the outbreak unfolded
The UK Health Security Agency (UKHSA) declared a national outbreak of Salmonella Enteritidis on 18 August 2026, with early investigation pointing towards imported eggs as a likely source. The declaration has reignited a long-running row between British egg producers and the Government over the safety standards applied to eggs entering the country from overseas.
According to UKHSA, 207 confirmed cases have been identified across the UK between 11 August 2025 and 1 August 2026, with the vast majority — 206 — reported during 2026. One person has died, and 38% of those infected required hospital treatment, including two people who developed serious bloodstream infections. Cases have been recorded across all four nations: 199 in England, six in Scotland, one in Wales and one in Northern Ireland, with London and Yorkshire and Humber the worst-affected areas of England. Those affected range from infants to people in their nineties.
The investigation began in May 2026 after health officials spotted a rise in cases linked to the same strain, later confirmed through whole genome sequencing. UKHSA, working alongside the FSA, the Animal and Plant Health Agency and public health bodies across the UK, has said "the signal for egg consumption remains the strongest in this investigation." Five food businesses have been linked to at least two independent cases each, accounting for 24 infections in total, of which 11 people reported eating egg-containing dishes. "At this time there is no identified link to UK-produced eggs or poultry," UKHSA has said.
Hannah Charles, UKHSA's lead epidemiologist for gastrointestinal infections, said that while Salmonella infection is typically mild, "vulnerable groups with weakened immune systems may experience more severe illness." Symptoms usually appear 12 to 72 hours after infection and include diarrhoea, stomach cramps, nausea, vomiting and fever. The agency is advising people to cook eggs thoroughly until fully set, maintain good kitchen hygiene, avoid cross-contamination and seek medical advice if vulnerable groups develop symptoms.
UKHSA's report states that the outbreak strain is "phylogenetically linked (within 25 SNPs) to a previous outbreak from 2025 which was also linked to imported eggs," suggesting a recurring pattern rather than a one-off contamination incident.
