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Graph of the number of PFGE pattern uploads to the Escherichia coli O157, E. coli non-O157 STEC, non-flexneri Shigella species, Shigella flexneri, Vibrio cholerae, Vibrio parahaemolyticus, Listeria species, and Campylobacter species PFGE National Databases from 2007 through 2017. PFGE, pulsed-field gel electrophoresis; STEC, Shiga toxin–producing E. coli.
