Paul Cargill of the Daily Record writes that a Perth Academy pupil is recovering at home after being struck down by E. coli O157.

The sixth year pupil’s mother, who did not want her son to be named, told the PA he was doing well after coming down with the stomach bug following an expedition which was organised through the school.

It is understood that at least one other Perth Academy pupil took ill with the same strain of the bug after returning from a Duke of Edinburgh Gold Award trip, which took place two weeks ago.

The two boys did not return to school this week as expected and the mother who talked to the PA yesterday, confirmed her son was being kept off school to recover.

Consultant in public health medicine Dr Daniel Chandler told the PA: “We can confirm that NHS Tayside and Perth and Kinross Council are together investigating a small number of linked cases of E coli O157 infection.

“Those affected have received appropriate medical treatment and advice.

“Possible sources are currently being investigated and control measures have been put in place to prevent further spread.”

How can that be if the source is unknown? Maybe person-to-person transmission can be limited, but there did it come from originally?