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Eggs from Sainsbury's, Aldi and Asda are subject to Food Standards Agency (FSA) advice that they may contain salmonella bacteria.
While it only affects a small batch of eggs sold in the three supermarkets, consumers are being advised to ensure they cook these eggs properly. Pregnant women, infants, the elderly and those with weakened immune systems are particularly vulnerable to salmonella.
The FSA isn't saying that you need to return the eggs. But, if you prefer to do so, you should contact the store from which they were bought.
You can read the full advisory notice on the FSA website.
Update 11 November: The FSA has extended this food safety notice to include eggs sold under the British Lion brand, produced in batches 0UK15270 and 3UK15270, as well as the originally affected batch 1UK15270.
Affected eggs will have their batch number stamped on the shell. Eggs from batch 3UK15270 were sold in England only.
Eggs with the batch number 1UK15270, 1UK15270 and 3UK15270 are affected. Even if you have disposed of the outer packaging of your eggs, the batch number is printed on each individual egg so you can check whether yours have been affected.
An example image of an egg from this batch can be seen below:
Affected eggs were only sold in specific stores in England and Wales, and only a small number of the eggs in the batch were found to have salmonella on their shells.
The complete list of products are found below.
Sainsbury's says the following packs were only sold in London and the South of England. The full list of stores can be found here.
Medium Free Range Eggs by Sainsbury's (pack size: 6)
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Large Free Range Eggs by Sainsbury's (pack size: 6)
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Very Large Free Range Eggs by Sainsbury's (pack size: 6)
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Medium Free Range Eggs by Sainsbury's (pack size: 12)
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Large Free Range Eggs by Sainsbury's (pack size: 12)
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Mixed Size Free Range Eggs by Sainsbury's (pack size: 15)
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Basics Mixed Size Barn Eggs (pack size: 15)
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J James Mixed Size Free Range Eggs (pack size: 10)
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Mixed Size Free Range Eggs by Sainsbury's (pack size: 6)
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Medium Free Range Eggs by Sainsbury's (pack size: 15)
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SO Organic Large Eggs (pack size: 6)
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SO Organic Medium Eggs (pack size: 6)
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SO Organic Mixed Size Eggs (pack size: 12)
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Aldi has not specified which stores the eggs were sold in.
Merevale Medium Free Range Eggs (pack size: 6)
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Merevale Large British Eggs (pack size: 10)
Best before dates:
Everyday Essentials Eggs (pack size: 15)
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Merevale Large Free Range Eggs (pack size: 12)
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Merevale Medium Free Range Eggs (pack size: 12)
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Merevale Mixed Size Free Range Eggs (pack size: 15)
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Merevale Large Free Range Eggs (pack size: 6)
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Merevale Very Large Free Range Eggs (pack size: 6)
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Specially Selected Mixed Size Golden Yolk Free Range Eggs (pack size: 6)
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Specially Selected Mixed Size British Blue Free Range Eggs (pack size: 6)
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Aldi has not specified which stores the eggs were sold in.
Asda Large Free Range Eggs (pack size: 12)
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Asda Medium Free Range Eggs (pack size: 12)
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Asda Mixed Size Free Range Eggs (pack size: 15)
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Asda Large Free Range Eggs (pack size: 6)
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Asda Medium Free Range Eggs (pack size: 6)
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Fairburn's Lincolnshire Mixed Size Free Range Eggs (pack size: 15)
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Extra Special Mixed Size Golden Yolk Free Range Eggs (pack size: 6)
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Fairburn's Lincolnshire Large Free Range Eggs (pack size: 12)
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Fairburn's Lincolnshire Large Free Range Eggs (pack size: 6)
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Extra Special Mixed Size British Blue Free Range Eggs (pack size: 6)
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Fairburn's Large Free Range Eggs (pack size: 24)
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Fairburn's Medium Free Range Eggs (pack size: 24)
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British Blue Mixed Size Free Range Eggs (pack size: 15)
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W.M. Morrison Chippindale Mixed Size Eggs (pack size: 15)
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Fairburn Loose Eggs (pack size: sold loose)
Best before dates:
First and foremost, the risk in this particular instance is low as only a small number of eggs from this batch were affected, according to the FSA.
However, if you think you may have eaten one of the affected eggs, you should look for the following symptoms of salmonella food poisoning:
Symptoms can start from a few hours after consuming food that is affected by salmonella.
If you suspect you may have food poisoning, you should contact your GP. NHS guidance says food poisoning is rarely serious and can be treated at home. It's important to remain hydrated if you are vomiting or have diarrhoea.
Sainsbury's and Aldi say customers can return eggs for a full refund, while the Asda websites does not state whether customers can return the eggs for a refund. We have contacted Asda and will update this news story if they respond.
Under the Consumer Rights Act, you have the right to a refund if food you have purchased or eaten is subject to a recall. This egg safety notice is not a recall, however, so your rights are not automatically granted.
For more on your rights, read our guide to food recalls, and to product recalls in general.
You do not need to throw away the eggs if you haven't consumed them yet. The FSA says that the affected eggs are safe to eat if cooked thoroughly. This means you should cook the eggs until the whites and yolks are no longer runny. This, the FSA says, should eliminate the salmonella bacteria.
More generally, according to the FSA you should follow this best practice when storing and handling all eggs: