Table 1.

Examples of large disease outbreaks resulting from contamination of vegetables and sprouts with human pathogenic bacteria.

Location	Pathogen	Food source	Reference
East Anglia (UK)	E. coli O157:H7	Potato tubers	Morgan et al. (1988)
Osaka (Japan)	E. coli O157:H7	Radish sprouts	Michino et al. (1999)
Connecticut (USA)	E. coli O157:H7	Mesclun lettuce	Hilborn et al. (1999)
Western USA, British Columbia (Canada)	E. coli O157:H7	Unpasteurized apple juice	Cody et al. (1999)
California (USA)	E. coli O157:H7, S. enterica	Alfalfa and clover sprouts	Mohle-Boetani et al. (2001)
Michigan (USA)	E. coli O157:H7	Alfalfa sprouts	Breuer et al. (2001)
Multistate outbreak USA	E. coli O157:H7	Packaged spinach	Wendel et al. (2009)
Hamburg (Germany)	E. coli O104:H4	Fenugreek sprouts	Bielaszewska et al. (2011)