摘要：Insufficiently cooked ground
beef was identified as the cause
of a 1993 outbreak of Escherichia
coli O157:H7 illness in the Western
United States when four children
died and over 700 people became ill.
The magnitude and media coverage
of this and other recent foodborne
illness outbreaks have helped elevate
public awareness of foodborne
microbial pathogens.
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