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The probability distribution of ingesting E. coli O157:H7 among the Taiwanese population for each sex and age group from consuming medium beef imported from the USA. (A) Males and females aged 4–12 years, (B) males aged 13–18 years, (C) females aged 13–18 years, (D) males aged 19–65 years, (E) females aged 19–65 years, (F) males aged >65 years, (G) females aged >65 years, and (H) females aged 19–49 years (of childbearing age).
