Campus Alert Archive
UARK

Roughly 100 Razorbacks Sickened in a STEC Outbreak With No Source Ever Found

ARdisease outbreakadvisorymedium confidence
Confirmed Threat

On the night of Wednesday, August 23, 2023, the University of Arkansas notified students that the Arkansas Department of Health was investigating Shiga toxin-producing E. coli (STEC) infections after roughly 100 students reported symptoms. The university said the outbreak was not believed to be connected to its public dining facilities and increased surface cleaning and sanitizing.

Alerts
2
Response
—
Killed
—
Injured
—
Institution
University of Arkansas
Public R1 · AR
~32,000 studentsRazALERT
Confirmed Timeline

Alert Sequence

2 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTEmail
Approximate reconstructionUniversity of Arkansas News notice (text reconstructed from the UARK news release and Arkansas Democrat-Gazette reporting)571 chars
The Arkansas Department of Health is investigating a number of E. coli cases among University of Arkansas students. Students have reported symptoms including stomach cramps, diarrhea and vomiting. At this time, there is no reason to believe the cases are connected to the university's public dining facilities. As a precaution, the university has increased its surface cleaning and sanitizing protocols. Students experiencing symptoms should contact the Pat Walker Health Center or their health care provider, stay hydrated, and wash hands frequently with soap and water.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The notice proactively addresses the obvious campus fear — the dining halls — by stating early there was 'no reason to believe' the outbreak was tied to public dining facilities.
STEC guidance deliberately omits anti-diarrheal medication; the alert instead emphasizes hydration and handwashing, the correct precautions while a possible Shiga-toxin infection is evaluated.
Routing symptomatic students to the Pat Walker Health Center centralizes case-finding, which fed the Arkansas Department of Health's eventual survey of more than 3,200 people.
FOLLOW-UPWebsite+33d
Approximate reconstructionPat Walker Health Center E. coli updates page (reconstructed from ADH closure reporting)481 chars
Update: The Arkansas Department of Health has closed its investigation into the E. coli outbreak. The investigation identified 37 probable cases and five confirmed cases. Surveys of those who became ill and testing of food samples did not identify a single source for the outbreak. No new cases connected to this outbreak have been reported. The Pat Walker Health Center thanks the campus community for its cooperation and reminds students to continue practicing good hand hygiene.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The closure update is unusually candid: it states plainly that despite 3,200+ surveys and food testing, no single source was ever identified.
Reporting the final tally (37 probable, 5 confirmed) rather than the looser 'about 100 reported symptoms' shows the gap between symptom reports and laboratory-confirmed STEC.
Closing with a hand-hygiene reminder reframes the unresolved investigation as a routine prevention message rather than an unresolved threat.
Context

Background

Shiga toxin-producing E. coli (STEC) can cause severe illness and, rarely, hemolytic uremic syndrome, making campus outbreaks a serious public-health concern. In late August 2023, the University of Arkansas told students that the Arkansas Department of Health was investigating STEC infections among roughly 100 students. U.S. News reported four hospitalizations, and the Arkansas Democrat-Gazette described a state survey of more than 3,200 people. Food Safety News reported the investigation closed in September with 37 probable and 5 confirmed cases and no source identified. This case is distinct from the university's separate 2019 mumps outbreak and illustrates how a large symptomatic cluster can resolve without a pinpointed cause.
Analysis

Key Findings

The university pre-empted dining-hall blame by stating early that the outbreak was not believed linked to public dining facilities
Despite surveying more than 3,200 people and testing food samples, the Arkansas Department of Health never identified the source
Final laboratory-confirmed tally (5 confirmed, 37 probable) was far smaller than the ~100 students who reported symptoms
Four people were hospitalized and later discharged; the case is distinct from UARK's separate 2019 mumps outbreak
Outcome
The Arkansas Department of Health surveyed more than 3,200 people and ultimately closed the investigation in September 2023 with 37 probable and 5 confirmed cases and the source never identified; four people were hospitalized and later discharged.
Provenance

Sources

  1. Official
    Arkansas Department of Health Investigating E. coli Cases - University of Arkansas News
    news.uark.edu
  2. Official
    Latest E. coli Updates - Pat Walker Health Center
    health.uark.edu
  3. News
    State surveys 3,200 people in search for the source of University of Arkansas E. coli infections - Arkansas Democrat-Gazette
    arkansasonline.com
  4. News
    Officials close investigation into E. coli outbreak at the University of Arkansas - Food Safety News
    foodsafetynews.com
Tags
e-colistecdisease-outbreakpublic-healtharkansasfoodborneadvisory
Added May 2026Updated May 2026Via ingestion