OVER 100 people have been affected by an E.coli outbreak which may have been caused by eating mixed salad leaves.

Public Health England (PHE) is investigating the outbreak of E.coli O157 which has affected 151 people across the UK.

One hundred and forty four cases have been reported in England, six in Wales and one in Scotland, with the South West of England particularly affected.

Sixty two of the cases are known to have received hospital care and, sadly, two people with E.coli O157 infection have died.

The infection can cause a range of symptoms, from mild diarrhoea to bloody diarrhoea with severe abdominal pain.

On rare occasions, it can also cause more serious medical conditions and can be caught by eating contaminated food or by direct contact with animals with the bacteria.

It can also be passed from an infected individual to another person if hand and toilet hygiene is poor.

Dr Isabel Oliver, director of PHE’s field epidemiology service, said: "PHE has been working to establish the cause of the outbreak and has identified that several of the affected individuals ate mixed salad leaves including rocket leaves prior to becoming unwell.

"Currently, the source of the outbreak is not confirmed and remains under investigation - we are not ruling out other food items as a potential source.

"PHE is using various approaches including whole genome sequencing (WGS) technologies to test samples from those affected.

"WGS technologies are at the forefront of improving the diagnosis of infectious diseases and this testing has indicated that the strain involved is likely to be an imported strain, possibly from the Mediterranean area.

"PHE is also One hundred and forty four cases have been reported in England, six in Wales and one in Scotland, with the South West of England particularly affected.

Sixty two of the cases are known to have received hospital care and, sadly, two people with E.coli O157 infection have died.working closely with the Food Standards Agency (FSA) to trace, sample and test salad products grown in the UK and other parts of Europe.

"All food sample results to date have been negative for E.coli O157, but it’s important to be aware that where food has been contaminated with E.coli O157, it is not always possible to identify the bacteria on food testing.

"As an additional precautionary measure, we have advised a small number of wholesalers to cease adding some imported rocket leaves to their mixed salad products pending further investigations."

As a precaution, the FSA is reminding people of the importance of good hand and food hygiene practices.

All vegetables, including salads, intended to be eaten raw should be thoroughly washed unless they are specifically labelled ‘ready to eat’.

Investigations are ongoing.