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An E.coli outbreak that has made more than 200 people sick has been traced to lettuce – so is it safe to eat?

The Food Standards Agency (FSA) told Sky News it is “too early to determine” how the lettuce leaves may have become contaminated – but it is “confident” that is the source.

Three companies have recalled dozens of sandwiches and wraps sold at supermarkets as a precautionary measure.

So how can lettuce end up carrying E.coli – and does this mean a summer without salad?

How could it happen?

There are three main ways lettuce leaves could have been contaminated with E.coli, according to Professor Jim Monaghan, professor of crop science at Harper Adams University in Shropshire.

E.coli “essentially wants to be inside the guts of warm-blooded animals”, he says, but pathogenic strains can be found in between 10-15% of dairy herds – which means a minority of manure is contaminated with it.

That manure – and the E.coli it carries – can end up on lettuce leaves in cases of direct contamination.

In cases of indirect contamination, the bacteria may get into the soil or water and be transferred to the lettuce that way.

How do farmers prevent contamination?

If farmers use manure to fertilise a field, they have to wait at least a year before they can plant lettuce there.

They must also test the water they are using for irrigation to see if E.coli is present.

“For a lettuce grower, if you’re irrigating a crop with water, if you’re not comfortable drinking that water, then you wouldn’t be irrigating the crop,” Prof Monaghan tells Sky News.

That doesn’t mean they need to irrigate with chlorine-treated tap water, he adds, but it must meet an “acceptable standard”.

Salad growers will also risk assess their sites and avoid planting salad in any areas prone to flooding to avoid potential water contamination.

The FSA has not revealed whether the lettuce came from a UK-based farm or was imported from abroad.

The latest figures show 211 cases of E-coli have been confirmed as of 11 June – and at least 67 people have required hospital treatment.

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How does E.coli spread?

Should you be worried about eating lettuce?

Prof Monaghan says he hasn’t changed his lettuce-buying habits in response to the recent outbreak.

“I have a bag of spinach and two whole head lettuces in my fridge at the moment. So knowing what I know about how UK growers manage their risks, to me that’s fine,” he says.

“But clearly something’s gone wrong.”

However, he notes a couple of things – beyond the usual rules growers must follow – that have reassured him about buying salad.

“One is it would appear that the product that’s caused a problem has left the supply chain,” he says.

The second is that everyone involved in salad production – from growers to salad and sandwich manufacturers – will be “sampling like crazy”.

Does washing salad leaves get rid of E.coli?

Once it reaches the factory, lettuce will be rinsed to remove surface contamination. Then chlorine is used to reduce the level of bacteria before it is rinsed again.

That is “effective to a certain extent”, Prof Monaghan says, but it does not eliminate bacteria entirely.

The same goes for washing lettuce at home – it will reduce the amount of bacteria, but not get rid of it.

Read more:
What are the symptoms of E.coli infection?
Full list of products recalled by sandwich suppliers

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How does the weather have an impact?

The recent wet weather could have created conditions where E.coli can more easily survive.

On a hot, sunny day, leaves will dry off quickly, reducing the chance of water contamination.

They will also be irradiated by UV rays, killing bacteria.

But on wet, overcast days, there is not the same opportunity for bacteria to be killed off, Prof Monaghan says.

We have had a damp start to the summer – and similar weather has been seen in Spain, Italy and France – all countries that import lettuce to the UK.

Why is it so difficult to trace the root cause?

Darren Whitby, head of incidents at the FSA, said identifying the source of the E.coli was a “complex and ongoing investigation”.

Part of the reason it’s so difficult to trace is because the contaminated products are a very small proportion of the sandwiches on supermarket shelves, Prof Monaghan says.

Then there’s the fact the products in question have a shelf life of days.

“Two days after a sandwich is made, you won’t find that sandwich again,” Prof Monaghan says.

“It’s either been eaten or it’s been taken off the shelf.”

The FSA has been investigating the issue along with the UK Health Security Agency (UKHSA), Food Standards Scotland and devolved public health agencies, businesses and local authorities.

Through epidemiological investigations and whole genome sequence analysis, they narrowed down the common foods consumed by people who had fallen ill to a small number of salad leaf products used in sandwiches, wraps, subs and rolls.

Dozens of products were recalled; while no E.coli had been found in them, it was a “precautionary measure” in case they were contaminated.

The fact E.coli was not found in the products indicates it has left the supply chain. “There’s no smoking gun,” Prof Monaghan says.

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Rachel Reeves says budget ‘non-negotiable’ on China trip – as former PM says she’s been ‘rumbled’ by market turmoil

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Rachel Reeves says budget 'non-negotiable' on China trip - as former PM says she's been 'rumbled' by market turmoil

The chancellor has said the budget is “non-negotiable” on a visit to China in the face of volatile markets back in the UK.

Rachel Reeves flew out on Friday after ignoring calls from opposition parties to cancel the long-planned trip because of economic turmoil at home.

The past week has seen a drop in the pound and an increase in government borrowing costs, which has fuelled speculation of more spending cuts or tax rises.

The Tories have accused the chancellor of having “fled to China” rather than explain how she will fix the UK’s flatlining economy, while the Liberal Democrats say she should stay in Britain and announce a “plan B” to address market volatility.

Former prime minister Boris Johnson said Ms Reeves had “been rumbled” and said she should “make her way to HR and collect her P45 – or stay in China”.

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Chancellor’s ‘pragmatic’ approach to China

Britain's Chancellor of the Exchequer Rachel Reeves, right, visits a Brompton flagship store in Beijing, Saturday, Jan. 11, 2025. (Jade Gao/Pool Photo via AP)
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The chancellor visits a Brompton bike shop in Beijing. Pic: AP

However, during a visit to Beijing’s flagship store of UK bike maker Brompton, Ms Reeves said she would not alter her economic plans, with the October budget designed to return the UK to economic stability.

“Growth is the number one mission of this government,” she said.

“The fiscal rules laid out in the budget are non-negotiable. Economic stability is the bedrock for economic growth and prosperity.”

The treasury added that making Britain better off will be at the “forefront of the chancellor’s mind” during her visit.

She said that “action” will be taken to meet the fiscal rules. That action is reported to include deeper spending cuts than the 5% efficiency savings already expected to be announced later this year, while cuts to the welfare bill are also said to be under consideration.

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The chancellor is being accompanied by Bank of England governor Andrew Bailey and other senior executives.

UK and China selling new economic relationship as a win-win – but it’s complicated

Nicole Johnston

Asia correspondent

@nicole_reporter

The UK has laid out a new economic relationship with China, and to use one of China’s favourite phrases, both countries are selling it as a “win-win” situation.

It’s a significant development in restoring ties between the countries. The relationship has been beset by years of tension and suspicion. Both sides want to get it back on track.

China delivered a warm welcome for the chancellor.

Rachel Reeves was shuttled from a Beijing Brompton bike shop, to the Great Hall of the People and on to a state guest house.

China’s vice premier He Lifeng said: “The outcomes we have agreed today represent pragmatic co-operation in action.”

Pragmatic. There is that word again. Chancellor Reeves uttered it four times in her closing statement.

Despite the bonhomie, China is still likely to view these British overtures with caution.

Read more here

She met her counterpart, Vice Premier He Lifeng, in Beijing on Saturday to discuss financial services, trade and investment, before heading to Shanghai for talks with representatives across British and Chinese businesses.

She will also “raise difficult issues”, including Chinese firms supporting Russia’s invasion of Ukraine and concerns over constraints on rights and freedoms in Hong Kong, the Treasury said.

But it did not mention whether Ms Reeves would raise the treatment of the Uyghur community, which Downing Street said Foreign Secretary David Lammy would do during his visit last year.

Britain's Foreign Secretary David Lammy and Chinese Foreign Minister Wang Yi shake hands before their meeting at the Diaoyutai State Guesthouse in Beijing. Pic: AP
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Britain’s Foreign Secretary David Lammy and Chinese Foreign Minister Wang Yi in Beijing. Pic: AP

On Friday, Culture Secretary Lisa Nandy defended the trip, telling Sky News that the climbing cost of government borrowing was a “global trend” that had affected many countries, “most notably the United States”.

“We are still on track to be the fastest growing economy, according to the OECD [Organisation for Economic Co-operation and Development] in Europe,” she told Anna Jones on Sky News Breakfast.

“China is the second-largest economy, and what China does has the biggest impact on people from Stockton to Sunderland, right across the UK, and it’s absolutely essential that we have a relationship with them.”

Ed Conway analysis: The chancellor’s gamble with China

Grim economic news raises stakes for embattled chancellor’s controversial China trip


Amanda Akass is a politics and business correspondent

Amanda Akass

Political correspondent

@amandaakass

Rachel Reeves’s trip to China – the first by a British chancellor since 2019 – was always going to be controversial.

In recent years Conservative governments have been keeping Beijing at arm’s length – amid concern about espionage, the situation in Hong Kong, and the treatment of the Uyghurs.

David Cameron’s so-called “Golden Era” of engagement in the pursuit of economic investment, notoriously capped by a visit to an Oxfordshire pub for a pint with President Xi Jinping – has been widely written off as a naive mistake.

There are many – not least the incoming US President Donald Trump – who believe we should maintain our distance.

But in another era of economic turmoil, the pursuit of growth is the government’s number one priority.

This week’s difficult market news – with the cost of government borrowing surging, and the value of the pound falling – has thoroughly raised the stakes.

Read more here

It is the first UK-China Economic and Financial Dialogue (EFD) since 2019, building on the Labour government’s plan for a “pragmatic” policy with the world’s second-largest economy.

Sir Keir Starmer was the first British prime minister to meet with China’s President Xi Jinping in six years at the G20 summit in Brazil last autumn.

Relations between the UK and China have become strained over the last decade as the Conservative government spoke out against human rights abuses and concerns grew over national security risks.

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How much do we trade with China?

Navigating this has proved tricky given China is the UK’s fourth largest single trading partner, with a trade relationship worth almost £113bn and exports to China supporting over 455,000 jobs in the UK in 2020, according to the government.

During the Tories’ 14 years in office, the approach varied dramatically from the “golden era” under David Cameron to hawkish aggression under Liz Truss, while Rishi Sunak vowed to be “robust” but resisted pressure from his own party to brand China a threat.

The Treasury said a stable relationship with China would support economic growth and that “making working people across Britain secure and better off is at the forefront of the chancellor’s mind”.

Ahead of her visit, Ms Reeves said: “By finding common ground on trade and investment, while being candid about our differences and upholding national security as the first duty of this government, we can build a long-term economic relationship with China that works in the national interest.”

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Grim economic news raises stakes for embattled chancellor Rachel Reeves’s controversial China trip

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Grim economic news raises stakes for embattled chancellor Rachel Reeves's controversial China trip

Rachel Reeves’s trip to China – the first by a British chancellor since 2019 – was always going to be controversial.

In recent years Conservative governments have been keeping Beijing at arm’s length – amid concern about espionage, the situation in Hong Kong, and the treatment of the Uyghurs.

David Cameron‘s so-called “Golden Era” of engagement in the pursuit of economic investment, notoriously capped by a visit to an Oxfordshire pub for a pint with President Xi Jinping – has been widely written off as a naive mistake.

There are many – not least the incoming US President Donald Trump – who believe we should maintain our distance.

But in another era of economic turmoil, the pursuit of growth is the government’s number one priority.

Britain's Chancellor of the Exchequer Rachel Reeves, right, visits a Brompton flagship store in Beijing, Saturday, Jan. 11, 2025. (Jade Gao/Pool Photo via AP)
Image:
Rachel Reeves visits a Beijing bike shop. Pic: AP

This week’s difficult market news – with the cost of government borrowing surging, and the value of the pound falling – has thoroughly raised the stakes.

Both the Tories and the Lib Dems argued the visit should be cancelled.

More on China

Prominent China hawk and former Conservative leader Iain Duncan Smith MP summed up both arguments against it.

“The trip is pointless,” he wrote on X. “As the disastrous ‘Golden Era’ showed, the murderous, brutal, law-breaking, communist regime in China will not deliver the growth the Labour government craves.

“Instead, she should stay home and try to sort out the awful mess her budget has created.”

President Xi Jinping and David Cameron at the Plough pub
Image:
President Xi Jinping and David Cameron in 2015. Pic: PA

Yet cancelling the trip would have been a diplomatic disaster and far from adding to economic stability would surely have spread a sense of crisis (with inevitable comparisons to Denis Healey’s abandoned visit to Hong Kong in 1976, months before he was forced to apply from an emergency loan from the IMF to save the pound from collapse).

Instead, the government argues the current market situation is a result of “global trends”, and Reeves insists she will be sticking to the decisions taken in the budget.

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“Growth is the number one mission of this government. The fiscal rules laid out in the budget are non-negotiable. Economic stability is the bedrock for economic growth and prosperity.”

Improving the UK/China relationship should “boost our economic growth for the benefit of working people in both of our countries” she said during her meeting with vice premier He Lifeng.

In a speech to media afterwards, Reeves was delighted to announce a big, concrete number to justify the value of the trip, claiming the agreements reached would be worth £600m to the UK economy over five years.

Pragmatism is the new order of the day. Labour argues re-establishing “pragmatic engagement” with China is in the national interest, and it’s a word Reeves used four times in five minutes during her speech.

Ed Conway analysis: The chancellor’s gamble with China

The government insists this new closer relationship will make it easier for them to raise tricky issues and we did hear the chancellor flagging concerns about Hong Kong and the role of China in connection with Russia’s war in Ukraine – though not the Uyghurs, or the imprisoned British citizen and pro-democracy activist Jimmy Lai.

The challenge going forward will be to show that cosying up to China is worth it.

There’s a lot riding on it for the chancellor – with questions being openly asked about her economic strategy given the growing likelihood that to meet her fiscal rules on balancing tax and spending she will be forced to make deep cuts to government departments this spring.

We are promised a big speech from the chancellor on the government’s plans for growth in the coming weeks.

In many ways, the trip to China may have been a welcome break from the difficult decisions which await her return.

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Former Manchester United defender David May shares dementia fears

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Former Manchester United defender David May shares dementia fears

Former Manchester United footballer David May has shared his fears about developing dementia – and the impact that would have on his family.

It comes after the ex-footballer revealed David Windass, the former Hull City, Bradford City and Middlesbrough striker, has been diagnosed with stage two dementia.

During the early stages of dementia, people show a very mild cognitive decline, including occasional memory loss and struggles finding words, according to Dementia UK.

May shared 55-year-old Windass’s diagnosis – with his permission – during a BBC Breakfast interview.

“I actually said, ‘Would you mind if I mentioned it?’ And he went, ‘No. 100% – you mention it. Get it out there’. Not to put Deano under the spotlight, but the issue,” he told Sky News’ sports correspondent Rob Harris.

“I’d hate my children to go through that, knowing their dad doesn’t know them, doesn’t recognise them, can’t speak to them. It’s tragic.”

May, a defender with United’s 1999 treble-winning team, also revealed he is worried about his long-term health.

“Ask me would I do it again? Football? 100% – because I love football. It’s my life,” the 54-year-old said.

“Would I have done as many headers through training, and continuously heading in training? Maybe not.

“But I have just got to wait and see. It’s a waiting game. Are you going to be the one that’s going to miss it?

“One in three-and-a-half people will get dementia who have become professional footballers.”

Pic: firo Sportphoto/ J'rgen Fromme/picture-alliance/dpa/AP Images
Image:
May (top centre) won the treble with Manchester United in 1998/99. Pic: firo Sportphoto/ J’rgen Fromme/picture-alliance/dpa/AP Images

Asked if he thought heading would eventually be banned, he said: “No, I don’t think you need to eradicate heading. It’s part of the game, and you don’t want to take that out of the game.

“It has been an incredible, and still is a wonderful, wonderful game.

“But maybe the amount of headers you do in training can change.

“I know that before, probably 15, 20 times, you’d head a ball in training. And then on a Friday you’d go through it to get your timings right, maybe another five or six before the game starts, and then all the heading in games.

“It’s a lot. It’s a hell of a lot of headers in a footballer’s career.”

May has joined campaigners pushing for more help for footballers affected by neurodegenerative diseases.

The diagnosis at such a young age for Windass has brought home the reality that this remains a major problem in football.

“It’s not going to go away. Day in, day out, players are heading the balls in games, and you know, are they aware of it? Probably not,” said May.

“We need to keep fighting for the right answers and the right funds.”

David May speaking to Sky News' Rob Harris
Image:
David May speaking to Sky News’ sports correspondent Rob Harris

Greater Manchester mayor Andy Burnham and the Mayor of the Liverpool City Region Steve Rotheram have given their backing to the cause.

The Football Families for Justice (FFJ) campaign has the support of former England captain David Beckham, and is now seeking to secure an amendment to the Football Governance Bill which would give the independent regulator the power to make it a statutory duty on the football authorities to develop a comprehensive dementia strategy, including a care fund agreed with affected players and their families.

“When you think of how much money comes into the Premier League now, it’s billions,” said May.

“It’s a pittance what they could donate to these lads who drastically need help and care.”

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Man crushed to death crossing Channel in small boat

In addition to funding research, the Football Association is also working to remove deliberate headings from youth football up to under-11s by 2026. It has also introduced rules on high-force headers in training at all levels of adult football to reduce the risks to individuals.

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