Salad sandwiches linked to E. coli outbreak

E. coli are a diverse group of bacteria that normally live in human and animal intestines.

Some types are harmless but others can make people seriously ill.

Tests have shown that the type in this outbreak is called E.coli STEC O145.

It produces a Shiga toxin – which can attack the lining of the gut.

Symptoms can include diarrhoea that can be bloody, stomach cramps, fever and vomiting.

It usually takes a few days from being infected for symptoms to show.

Most people recover well, but some – such as young children or people with underlying health conditions – can become very unwell.

There is no specific treatment for E. coli infection. People who are infected can usually be cared for at home and most will get better without medical treatment.

It Is important to drink plenty of fluids, as diarrhoea can lead to dehydration.

A small number may go on to develop a serious complications including haemolytic uraemic syndrome (HUS) which can damage the kidneys.

People should seek medical help if worried.

There are things people can do to reduce the risk of infection.

Regularly wash your hands with warm water and soap — alcohol gels do not kill all bugs that cause diarrhoeal illness.

Wash fruit and vegetables and cook food properly.

If you have symptoms, you should not prepare food for others and avoid visiting people in hospitals or care homes.

People should not return to work, school or nursery until 48 hours after symptoms have stopped.