July - E. coli O157 in salad
An outbreak of E. coli O157 linked to imported mixed salad leaves sickened 161 people.
England reported 154 cases, six in Wales and one in Scotland.
The source was rumoured to be an Italian firm but it was not known how contamination occurred.
A total of 66 patients sought hospital care, nine had symptoms consistent with haemolytic uraemic syndrome (HUS) and two died.