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18th July 2018
05:27pm BST

They have been transferred to Temple Street Children's Hospital, where they were placed on dialysis.
The outbreak is believed to have been caused by Verotoxigenic Escherichia coli (Vtec), a strain of the bacteria that can cause symptoms like vomiting, diarrhoea and high temperature.
Complications of this strain can bring about kidney failure.
People with weaker immune systems, such as young children, are especially vulnerable to the bacteria.
E. coli can be spread via contaminated food or water and from person-to-person.
The HSE warned of an increase in E. coli caused by Vtec earlier this month, with three times as many cases reported in a ten day period compared to the same period last year.
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