![]() ![]() The STEC serogroup found most commonly in U.S. STEC bacteria are grouped by serogroups (e.g., O157 or O145). STECs have been associated with human illness, including bloody diarrhea and HUS. The bacteria responsible for this outbreak are referred to as Shiga toxin-producing E. Please see the Timeline for Reporting Cases of E. ![]() Of note, it takes an average of 2 to 3 weeks from the time a person becomes ill to the time when the illness is confirmed by laboratory testing and reported. This chart is called an epidemic curve or epi curve. The outbreak can be visually described with a chart showing the number of persons who became ill each day. Three patients have developed a type of kidney failure known as hemolytic uremic syndrome, or HUS. ![]() 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.Īmong the 30 patients with available information, 12 (40%) were hospitalized. 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). Food and Drug Administration (FDA).Īs 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. CDC is supporting these investigations and facilitating regular communication and information sharing between the states and with the U.S. Local and state public health officials in Michigan, New York, Ohio, Pennsylvania, and Tennessee are investigating human illnesses caused by Escherichia coli (E. ![]()
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