Friday’s announcement from Public Health England (PHE) takes how many confirmed cases from six to eight and the deaths out of three to five.

Sandwiches and salads from the fantastic Food Chain linked to the outbreak have been removed and production ceased.

The series – that supplied 43 NHS trusts across the UK – have been supplied with meat produced by North Country Cooked Meats, which subsequently produced a favourable test result because of the outbreak strain of listeria.

“To datethere has been no patients linked to the episode beyond healthcare organisations, but we continue to explore,” Dr Nick Phin, of Public Health England, ” said.

“Swift action was taken to safeguard patients along with any hazard to the public is low”

A listeria infection can result in a small amount of disquiet but is significantly more prone to seriously affect pregnant women, older people and people who have a weakened immune system.

In a statement, the Good food-chain said it was cooperating”fully and transparently with the Food Standards Agency as well as other authorities” and said it expected the question would be pursued with”urgency therefore the wider industry may learn any lessons as soon as possible”.

Evidence suggests that most individuals consumed the foods that were affected before the merchandise withdrawal took place in hospitals on 25 May, PHE stated.

Listeria is a bacterium that can cause a form of food poisoning called listeriosis.

But within this outbreak, the cases occurred in people who were seriously ill in hospital and also they have been most at risk of severe disease.

Many types of food can become contaminated with listeria such as sweet cakes, chilled ready-to-eat foods like pre packed sandwiches, salads and sliced meats, and unpasteurised dairy products.

The Good foodchain, based in Stone, Staffordshire, have been provided with meat produced by North Country Cooked Meats, which subsequently produced a favourable test result because of the outbreak strain of listeria.

This business – along with North Country Quality Foods that it distributes through – in addition has voluntarily ceased production.

The other day North Country Cooked Meats said it was”cooperating fully” the investigations.