”[21]  The hemorrhagic colitis caused by E. coli O157:H7 is characterized by severe abdominal cramps, diarrhea that typically turns bloody within twenty-four hours, and sometimes fever.[22]  The typical incubation period—which is to say the time from exposure to the onset of symptoms—in outbreaks is usually reported as three to eight days.[23]  Infection can occur in people of all ages but is most common in children.[24]  The duration of an… [read post]

”  From 1983-2002, seven non-O157 STEC outbreaks were reported in the United States. [55] During the following five-year period from 2003-2007, CDC documented an additional five non-O157 STEC outbreaks (CDC Outbreak Surveillance Data, http://www.cdc.gov/foodborneoutbreaks/outbreak_data.htm). [read post]