Table 1.

National Salmonella enterica outbreaks investigated by, or in cooperation with the Health Protection Agency's Department of Gastrointestinal and Emerging Infections, 2000–2011

Suspected vehicle of infection	No. of outbreaks	No. of people affected
Eggs	10	2873
Salad/leaf vegetables	12	1315
Eggs/salad*	1	174
Zoonotic transmission	2	302
Cooked meat	2	196
Confectionery	2	132
Poultry meat	1	36
Miscellaneous	2	54
Investigated – no clear vehicle identified	20	852
Total	52†	5934

^*Egg and salad sandwiches were implicated in the outbreak.

^†This total does not include occasions where an excess of a Salmonella subtype is detected, but there is not sufficient evidence to determine whether an outbreak has occurred.