Foodborne Illness Outbreak Database

This database provides summaries of significant food and water related outbreaks occurring since 1984 caused by E. coli, Salmonella, Hepatitis A, Campylobacter and other pathogens. Read more »

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December 17 2017 Outbreak of Norovirus at a Sit-Down Restaurant, Aurora, Colorado

  • Organism:
  • Norovirus
  • Vehicle:
  • Ill food worker

In late December 2017 public health officials in Colorado investigated an outbreak of norovirus at a sit-down restaurant located in Aurora, Colorado. The meal date was December 29, 2017. Ill persons resided in several counties in Colorado (Denver, Do…Read More »

September 17 2017 Outbreak of E. coli O26 in Multiple Counties, Colorado

  • Organism:
  • Non-O157 STEC
  • Vehicle:
  • Unknown

Six people residing in Adams, Arapahoe, Denver and Douglas counties, Colorado were laboratory confirmed with E. coli O26 between September 1, 2017 and October 15, 2017. One person was hospitalized. No one died. Three out of 6 cases consumed raw spina…Read More »

March 17 2017 Outbreak of Norovirus at a Restaurant, Denver, Colorado

  • Organism:
  • Norovirus
  • Vehicle:
  • Ill food worker

In March 2017 local public health authorities in the Denver area investigated an outbreak of suspected norovirus among patrons of a Denver restaurant. The meal date was March 5. Twenty one people reported symptoms consistent with a norovirus infectio…Read More »

January 17 2017 Outbreak of Gastroenteritis Among Employees of a Restaurant, Denver, Colorado

  • Organism:
  • Unknown
  • Vehicle:
  • Unknown

Four employees of Cattleman's Grill restaurant located at the National Western Stock Show complex reported gastroenteritis within a 24-hour period on January 10, 2017. Symptoms included nausea, diarrhea, vomiting, and fever. Stool kits were provided …Read More »

July 16 2016 Outbreak of Clostridium perfringens, Denver, Colorado

  • Organism:
  • Clostridium perfringens
  • Vehicle:
  • Unknown

In July 2016 Colorado public health officials investigated an outbreak of Clostridium perfringens at a catered meal served on July 15 at a private home. Interviews were conducted with ill and non-ill attendees, contacts of attendees as well as with s…Read More »

February 16 2016 Outbreak of Bacillus cereus at a Denver Restaurant, Colorado

  • Organism:
  • Bacillus cereus
  • Vehicle:
  • Unknown

In February 2016 Colorado public health officials investigated an outbreak of gastroenteritis associated with a Denver restaurant. The implicated meal date was February 15. Three people became ill with diarrhea. No samples were collected for laborato…Read More »

January 96 1996 Salmonella enteritidis at the Denver Zoological Gardens, Komodo Dragon Contact

  • Organism:
  • Salmonella
  • Vehicle:
  • Animal Contact, reptiles, Komodo Dragon

A confirmed outbreak of Salmonella Enteritidis was linked to visitation of a temporary Komodo dragon exhibit at the Denver Zoological Gardens and touching the protective barrier around the exhibit. Even two weeks after the exhibit closed, investigat…Read More »

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