This overview places verocytotoxin-producing Escherichia coli (VTEC) in perspective with other E. coli types that cause disease in animals. VTEC O157 and other verocytotoxin-producing serotypes cause severe disease in man but to date, although other VTEC are found in animals, zoonosis appears to be associated with E. coli O157 only. The epidemiology of E. coli O157 in cattle has been studied in Scotland, and this work is described alongside current knowledge.
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What Is Already Known About This Topic?: The largest and longest outbreak of diarrhea, which was complicated with hemolytic uremic syndrome (HUS) caused by enterohemorrhagic (EHEC) O157:H7, occurred in Xuzhou City and its adjacent areas from 1999 to 2000 in China.
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Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, 80160 Thailand.
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