Confirmed cases of E. coli O145 Infection, United States, by state, as of 05/20/10 at 9 pm EST (n=26)

As of May 20, 2010, a total of 26 confirmed and 7 probable cases related to this outbreak have been reported from 5 states since March 1, 2010. The number of ill persons identified in each state with this strain is: MI (11 confirmed and 2 probable), NY (5 confirmed and 2 probable), OH (8 confirmed and 3 probable), PA (1 confirmed), and TN (1 confirmed). The reported cases in Tennessee and Pennsylvania do not reflect expansion of the outbreak but retrospective identification of cases using the PulseNet system – these cases are part of the original cluster due to the original implicated lot of lettuce from March.

Among the confirmed and probable cases with reported dates available, illnesses began between April 10, 2010 and April 26, 2010. Infected individuals range in age from 13 years old to 31 years old and the median age is 19 years. Sixty-four percent of patients are male.

Among the 30 patients with available information, 13 (39%) were hospitalized. Three patients have developed a type of kidney failure known as hemolytic-uremic syndrome, or HUS. No deaths have been reported.