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ensure accuracy. Escherichia Coli O157:H7 In Ground Beef: Review
of a Draft Risk Assessment REVIEW OF THE HAZARD CHARACTERIZATION
CHAPTER The draft’s discussions of the baseline number of E.
coli O157:H7 infections and adjustments for underdiagnosis and
underreporting are scientifically sound. The logic followed is
clear, and the epidemiologic data are used in a reasonable and
plausible way. However, by focusing solely on the O157:H7
serotype of enterohemorrhagic E. coli and on direct
contamination, the draft underestimates the overall burden of
disease caused by this category of pathogen and the benefit that
could derive from interventions. O157:H7 as One Member of the
EnterohemorrhagicE. coliCategory ofE. coliPathogen Strains of
the O157:H7 serotype of Escherichia coli isolated since the
early 1980s typically carry a set of vir