Sandwich maker Greencore, a major supplier to UK supermarkets, has recalled some products because of a risk of E.coli, the Food Standards Agency has said.

It's a precautionary step a week after the UK Health Security Agency (UKHSA) announced an E.coli outbreak that left some people needing hospital treatment.

Retailers including Boots, Asda, Co-op, Aldi and Amazon are affected due to "possible contamination with E.coli", said the Food Standards Agency (FSA).

It's understood other manufacturers will issue their own recalls in the coming hours.

The UKHSA said cases had nearly doubled in the last week - with a further 98 recorded - bringing the total to 211.

It said based on information from 160 cases, 42% of people had been admitted to hospital.

Last week, the E.coli cases were linked to a "nationally distributed food item", the UKHSA said, without giving any more detail on the product thought to be responsible.

People affected range from age two to 79, with the majority young adults.

An Asda spokesperson said: "We have been made aware by Greencore, who supply Asda and other retailers with pre-packed sandwiches, that they are recalling a number of products as a precaution because of the possible presence of E.coli.

"The full list of products is available on the Asda Product Recalls webpage. If you have purchased any of these products, do not eat them, please bring them back to your nearest store where you will be given a full refund.

"You do not need your receipt."

Full list of recalled products:

Aldi Chicken Fajita Triple Wrap
Use by: All dates up to and including 16 June 2024

by Amazon BLT Sandwich
Use by: All dates up to and including 16 June 2024

by Amazon Chicken & Bacon Layered Salad
Use by: All dates up to and including 16 June 2024

by Amazon Chicken Salad Sandwich
Use by: All dates up to and including 16 June 2024

by Amazon Ploughman's Sandwich
Use by: All dates up to and including 16 June 2024

by Amazon Prawn Layered Salad
Use by: All dates up to and including 16 June 2024

Asda Smoky Beans and Cheddar Cheese Wrap
Use by: All dates up to and including 15 June 2024

Asda Chicken Salad (Sandwich)
Use by: All dates up to and including 15 June 2024

Asda Chicken & Bacon Club (Sandwich)
Use by: All dates up to and including 15 June 2024

Asda Brie, Bacon and Chilli Chutney (Sandwich)
Use by: All dates up to and including 15 June 2024

Asda BLT (Sandwich)
Use by: All dates up to and including 16 June 2024

Asda Vegan No Chick'n Caesar Wrap
Use by: All dates up to and including 15 June 2024

Asda Tuna Crunch Sub Roll
Use by: All dates up to and including 15 June 2024

Asda Southern Fried Chicken Wrap
Use by: All dates up to and including 15 June 2024

Asda Southern Fried Chicken Triple Wrap
Use by: All dates up to and including 15 June 2024

Boots BBQ Chicken wrap
Use by: All dates up to and including 16 June 2024

Boots BLT (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Cheddar Cheese Ploughman's (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Chicken & Bacon Caesar Wrap
Use by: All dates up to and including 16 June 2024

Boots Chicken Salad (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Chicken Triple (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Delicious Ham & Cheese Ploughman's (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Halloumi & Greek Style Salad wrap
Use by: All dates up to and including 16 June 2024

Boots Ham & Egg Club (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Mixed Triple (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Southern Fried Chicken Wrap
Use by: All dates up to and including 16 June 2024

Boots Spicy Bean & Cheese Wrap
Use by: All dates up to and including 16 June 2024

Boots Vegan No Chicken Salad (Sandwich)
Use by: All dates up to and including 16 June 2024

Boots Vegan No Duck & Hoisin Wrap
Use by: All dates up to and including 16 June 2024

Boots Veggie Triple (Sandwich)
Use by: All dates up to and including 16 June 2024

Co-op Vegan Gro Onion Bhaji (Sandwich)
Use by: All dates up to and including 16 June 2024

Co-op Mexican Style Bean & Cheese Wrap
Use by: All dates up to and including 16 June 2024

Co-op Ham, Cheese & Pickle (Sandwich)
Use by: All dates up to and including 16 June 2024

Co-op Ham & Cheese Wrap
Use by: All dates up to and including 16 June 2024

Co-op Chicken & Bacon Caesar Wrap
Use by: All dates up to and including 17 June 2024

Co-op Bacon, Lettuce and Tomato (Sandwich)
Use by: All dates up to and including 16 June 2024

Morrisons Chicken Salad (Sandwich)
Use by: All dates up to and including 16 June 2024

Morrisons Chicken Salad PFS (Sandwich)
Use by: All dates up to and including 16 June 2024

Morrisons Gluten Free Chicken Salad (Sandwich)
Use by: All dates up to and including 16 June 2024

Morrisons Gluten Free Sandwich Platter
Use by: All dates up to and including 16 June 2024

Sainsbury's Kitchen Deli Peri Peri Chicken Wrap
Use by: All dates up to and including 16 June 2024

Sainsbury's Kitchen Deli BBQ Pulled Pork & Red Leicester Wrap
Use by: All dates up to and including 16 June 2024

Sainsbury's Kitchen Deli Chicken, Bacon & Avocado Focaccia (Sandwich)
Use by: All dates up to and including 16 June 2024

Sainsbury's Kitchen Deli Greek Style Wrap
Use by: All dates up to and including 16 June 2024

Sainsbury's Kitchen Deli Jerk Halloumi Wrap
Use by: All dates up to and including 16 June 2024

Darren Whitby, head of incidents at the FSA said: "Sandwich manufacturers are taking a precautionary measure to recall various sandwiches wraps and salads in response to findings from investigations by the Food Standards Agency (FSA), Food Standards Scotland (FSS) and UK Health Security Agency (UKHSA), who are working to identify the cause of an ongoing outbreak caused by shiga toxin-producing E.coli (Stec)."

E.coli are a diverse group of bacteria that are normally harmless and live in the intestines of humans and animals.

However some strains, like Stec, can make people very ill.

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