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Culturability of E. coli O157:H7 plated on TSA (filled symbols) and SMAC (open symbols) media. E. coli O157:H7 ATCC 43895 (diamonds) and BRMSID 188 (squares) were incubated at 4°C in sterile deionized distilled water for up to 120 days. The data are mean values (n = 4) from two independent experiments with errors bars representing the standard deviations.
