Cases of E. coli O157:H7 infection with the outbreak strain, by state, July 1 to October 31, 2007

As of November 1st, at least 21 isolates of E. coli O157:H7 with an indistinguishable genetic fingerprint have been collected from ill persons in 10 states: Illinois (1 person), Kentucky (3), Missouri (2), New York (2), Ohio (1), Pennsylvania (1), South Dakota (1), Tennessee (8), Virginia (1), and Wisconsin (1). Persons became ill between July 20, 2007, and October 10, 2007. The age of ill persons ranges from 1 to 65 years with a median age of 9; 53% of ill persons are female. At least 8 people have been hospitalized, and 4 have developed a type of kidney failure known as hemolytic-uremic syndrome, or HUS. No deaths have been reported.