Another child is being treated in hospital following an outbreak of E.coli at a farm in Surrey.
The Health Protection Agency (HPA) said there were now 13 youngsters being treated, of which four were seriously ill and six were in a stable condition.
Three are improving in hospital, with the total number of cases of E.coli 0157 linked to Godstone Farm now at 37.
The farm, near Redhill, was closed on Saturday – although the first E.coli case was reported on 27 August.