9 Shiga toxin-producing Escherichia coli (STEC)

CDC E. Coli page

99 cases

0 death

30.3 % of cases were hospitalized

8 cases per 100,000 population

9.1 Epidemiologic Review

9.1.1 Disease Information

Overview: Shiga-toxin producing E. coli (STEC) is an intestinal disease caused by the bacteria Escherichia coli. Strains of E. coli can produce a toxin that causes serious illness.

Symptoms: Common symptoms include diarrhea, which may be bloody, abdominal cramps, and vomiting. In severe cases, patients may develop a condition called hemolytic uremic syndrome. This syndrome can cause kidney failure.

Transmission: The disease is spread through the fecal-oral route by the consumption of contaminated food, unpasteurized milk, untreated water and other contact with feces or an infected person.

Treatment: Treatment is supportive care. Antibiotics should not be used to treat infection.

Prevention Prevention methods include proper hand hygiene after contact with animals and before handling food. Ensure food is cooked at the proper temperature. Only drink pasteurized milk.

9.1.2 Demographics



Race Rate per 100k
Asian, Non Hispanic <5 cases
Black or African American, Non Hispanic 20.8
Hispanic or Latino 6.6
Native Hawaiian or Other Pacific Islander, Non Hispanic <5 cases
Other Race, Non Hispanic <5 cases
Two or More Races, Non Hispanic <5 cases
Unknown Race and Ethnicity <5 cases
White, Non Hispanic 7.2
American Indian or Alaska Native, Non Hispanic <5 cases


Rates for American Indian or Alaska Native, Non Hispanic, Asian, Non Hispanic, Native Hawaiian or Other Pacific Islander, Non Hispanic, Other Race, Non Hispanic, Two or More Races, Non Hispanic, and Unknown Race and Ethnicity are not displayed due to low case counts.


9.1.3 Outbreaks

There were two outbreak reported or included cases from Salt Lake County. One of them was a national outbreak with cases with common exposures across the nation. The other was an out of county outbreak investigated by DHHS.

9.1.4 Monthly and Historical Comparisons



2023 had the highest STEC rates in the last 5 years.


Data for Utah and the CDC were retrieved from the CDC’s Notifiable Infectious Disease Data Tables.

9.2 Key Things to Know

  • 94 cases (97%) reported diarrhea, 46 cases (47%) reported bloody diarrhea and 43 cases (44.3%) reported vomiting.
  • Less than 5 of the cases (<5%) developed Hemolytic Uremic Syndrome (HUS).
  • The most common serotypes among cases include 13 people infected with O157:H7 (13%), 10 people infected with O103 (10%) and 8 people infected with O26 (8%).
  • 27 cases (28%) reported foreign travel. Of these, cases, 14 cases (14%) reported travel to Mexico.
  • 16 cases (16%) reported untreated water exposure, 13 cases (13%) reported eating raw or undercooked meat and 24 cases (24%) reported being immunocompromised.