Scotland has the highest rate of E coli O157 infection in the world and experts are struggling to maintain the fight against the infection.

Prof Hugh Pennington, who has chaired two public inquiries into major outbreaks of E. coli O157, said he was concerned about the number of experienced personnel being lost due to budget cuts, adding,

"Worryingly environmental health now seems to be being driven by HR departments."

Rod House, president of the Royal Environmental Health Institute for Scotland, said many senior officers were taking early retirement as councils seek to reduce their wage bills, yet fewer trainees are being appointed.