E. coli O157:H7 was first recognized as a human pathogen following two hemorrhagic colitis outbreaks in 1982 (Riley et al., 1983). The first outbreak, with 26 cases of which 19 were hospitalized, occurred in Oregon, and the second, with 21 cases and 14 hospitalizations, followed three months later in Michigan. Undercooked hamburgers from the same fast food restaurant chain were identified as the vehicle, and E. coli O157:H7 was isolated from patients and a frozen ground beef patty.
Posted on: Sun, 07 Jul 2013 01:45:19 +0000
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