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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June 03 2013 Outbreak of Norovirus Linked to Oysters in Barnstable County, MA

  • Organism:
  • Norovirus
  • Vehicle:
  • oysters, raw

Public health investigators learned of gastrointestinal illnesses in multiple individuals after three separate events were held in June 2013. Illnesses were reported among attendees of a wedding rehearsal dinner held at Wayside Inn in Chatham, MA on …Read More »

December 18 2018-2019 Multistate Outbreak of Gastrointestinal Illnesses Linked to Oysters Imported from Mexico

  • Organism:
  • Shigella, Vibrio, Campylobacter, Norovirus
  • Vehicle:
  • Raw Oysters

In May 2019 the CDC and public health and regulatory officials in several states investigated an outbreak of gastrointestinal illnesses linked to imported raw oysters harvested from Estero El Cardon estuary in Baja, California Sur, Mexico. Sixteen ca…Read More »

April 18 2018 Multistate Outbreak of Vibrio parahaemolyticus Linked to Imported Crab Meat

  • Organism:
  • Vibrio
  • Vehicle:
  • Crab

On July 13, 2018 local, state and federal officials at the CDC and the FDA announced an investigation of an outbreak of Vibrio parahaemolyticus infections associated with consumption of fresh crab meat imported from Venezuela. Twenty six people infec…Read More »

March 18 2018 Outbreak of Norovirus Linked to Raw Oysters, Canada

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw Oysters

In March/April 2018 Canadian public health authorities investigated an outbreak of norovirus linked to consumption of raw oysters. As of April 27, 172 cases had been reported by 3 provinces: British Columbia (132), Alberta (15), and Ontario (25). No…Read More »

March 18 2018 Outbreak of Norovirus Linked to Oysters from British Columbia, California

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw oysters

On May 1, 2018 California Department of Public Health officials reported that approximately 100 individuals had reported illness after consuming raw oysters grown in British Columbia. Oysters were sold in restaurants and at retail stores. Laboratory …Read More »

December 17 2018 Oubreak of Giardia Linked to Consumption of Raw Oysters, Washington

  • Organism:
  • Giardia
  • Vehicle:
  • Raw Oysters

In December 2017 seven people in Washington state were diagnosed with giardia after consuming raw oysters. Exposure dates ranged from December 1 to December 13. No one was hospitalized and no one died.…Read More »

December 17 2017 Outbreak of Norovirus Associated with Raw Oysters, Seattle, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Oysters, Raw

Two people became ill with symptoms consistent with norovirus following a meal held on December 22, 2017 at a restaurant located in Seattle, Washington. The implicated vehicle was raw oysters. No one sought medical care and no one died. Product trac…Read More »

November 17 2017 Gastroenteritis Among Attendees of the Shell Shocked Oyster Festival, Ocean City, Maryland

  • Organism:
  • Unknown
  • Vehicle:
  • Unknown

Maryland public health officials investigated an outbreak of gastroenteritis among attendees of the "Shell Shocked" Oyster Festival held at Fager's Island restaurant on November 4. As many as 164 patrons reported symptoms.…Read More »

November 17 2017 Outbreak of Norovirus, Elliott's Oyster House, Seattle Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw oysters

In November 2017 Public Health Seattle King County (PHSKC) investigated an outbreak of norovirus occurring among persons who consumed raw oysters at Elliott's Oyster House Annual Oyster event held on November 11, 2017. Thirteen attendees from 5 sepa…Read More »

August 17 2017 Outbreak of Vibrio Parahaemolyticus Linked to Samish Bay Oysters, Washington State

  • Organism:
  • Vibrio
  • Vehicle:
  • Raw oysters

In August 2017 eight people became ill after eating raw oysters grown in Samish Bay, Washington. Meal dates ranged from August 2, 2017 and August 14, 2017 and occurred at different restaurants in Seattle, Redmond, and Bow, Washington. Six people were…Read More »

August 17 2017 Outbreak of Suspected Vibrio Parahaemolyticus, Burien, Washington

  • Organism:
  • Vibrio
  • Vehicle:
  • Oysters, raw

Two people became ill with symptoms consistent with vibriosis after consuming raw oysters at a restaurant located in Burien, Washington. The implicated meal date was August 28, 2017. No one was hospitalized and no one died. The oysters were harvested…Read More »

June 17 2017 June Outbreak of Vibrio Parahaemolyticus, Salted Sea, Seattle, Washington

  • Organism:
  • Vibrio
  • Vehicle:
  • Oysters, raw

In June 2017 Public Health Seattle King County investigated an outbreak of Vibrio parahaemolyticus among patrons of the Salted Sea, a restaurant located in Seattle. Two people from one dinner party became ill after eating raw oysters at the restauran…Read More »

March 17 2017 Outbreak of Norovirus at Seattle restaurants Linked to Oysters, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw Oysters

In late March and early April 2017 Public Health Seattle King County (PHSKC) and the Washington Department of Health investigated an outbreak of norovirus among customers who consumed raw oysters at different Seattle restaurants. Cases were part of t…Read More »

March 17 2017 Outbreak of Norovirus Linked to Samish Bay Oysters, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw Oysters

In March 2017 twenty-two people developed symptoms consistent with norovirus after consuming raw oysters at a Seattle restaurant between March 10 and March 12, 2017. No one was hospitalized and no one died. No one submitted specimens for laboratory t…Read More »

February 17 2017 Outbreak of Norovirus Linked to Burley Lagoon Oysters, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw Oysters

Two people became ill with symptoms consistent with novorius after eating raw oysters traced to Burley Lagoon, Washington. The meal date was February 25, 2017. The oysters were consumed at a Seattle restaurant. No one sought medical care and no one d…Read More »

February 17 2017 Outbreak of Norovirus Linked to Raw Oysters, Seattle, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw oysters

Five people from three separate dining parties reported symptoms consistent with norovirus after eating raw oysters at a Seattle restaurant. Meal dates ranged from February 14, 2017 to March 2, 2017. No one was hospitalized and no one died. All parti…Read More »

December 17 2017 Outbreak of Norovirus at a Seattle Restaurant, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Raw Oysters

Two people reported symptoms consistent with norovirus following a meal of raw oysters on February 17, 2017 at a Seattle restaurant. Traceback implicated Pick Pass oyster bed in Washington state as the source of the oysters. No one was hospitalized a…Read More »

January 14 2014 Outbreak of Campylobacter Linked to Consumption of Raw Oysters, Oregon

  • Organism:
  • Campylobacter
  • Vehicle:
  • Oysters,raw

An outbreak of campylobacter in 5 individuals who consumed raw oysters sold by Coos Bay Oyster company of Charleston, Oregon prompted a recall of its shucked and in-shell oysters. Four people were laboratory confirmed with Campylobacter. One person w…Read More »

December 14 2014 Norovirus Outbreak and Raw Oysters, Washington State

  • Organism:
  • Norovirus
  • Vehicle:
  • Oysters, raw

In December 2014 Washington State health officials issued an emergency closure for harvesting and ordered a recall for all shellfish originating from a portion of Mason County's Hammersley Inlet after several people who ate raw oysters became ill. A …Read More »

July 13 2013 Vibrio parahaemolyticus Infections Associated with Raw Oysters, Minnesota

  • Organism:
  • Vibrio
  • Vehicle:
  • Oysters, raw

In July 2013 Minnesota Department of Health and City of Minneapolis health officials investigated an outbreak of Vibrio parahaemolyticus among restuarant patrons who consumed raw oysters. Oysters served at two restaurants located in Minneapolis. Six …Read More »

July 12 Vibrio Parahaemolyticus Linked to Shellfish from Oyster Bay, July 2012

  • Organism:
  • Vibrio
  • Vehicle:
  • Shellfish, unspecified

Public health officials closed shellfish harvesting in certain areas of Oyster Bay, New York due to reports of Vibrio Parahaemolyticus in 8 individuals residing in 4 states. Three Nassau County residents became ill after eating raw or partially cook…Read More »

October 11 2011 Norovirus Infections Associated with Frozen Raw Oysters, Washington State

  • Organism:
  • Norovirus
  • Vehicle:
  • Oysters

In October 2011 investigators at Public Health Seattle King County investigated an outbreak of norovirus linked to consumption of a raw oyster dish at a local restaurant. Three of 7 meal companions had consumed raw oysters. All three reported onset o…Read More »

September 10 2010 Outbreak of Campylobacter Linked to consumption of Hinerwadel's Grove Raw Clams

  • Organism:
  • Campylobacter
  • Vehicle:
  • Seafood, Shellfish, Clams

At least 7 people in Clay, New York, became ill with campylobacter after attending a clam bake at Hinerwadel’s Restaurant on September 15, 2010. Raw clams were suspected as the vehicle of infection. The clam bake had been sponsored by the Syracus…Read More »

November 09 2009 Outbreak of Norovirus Linked to an Oyster Bar, North Carolina

  • Organism:
  • Norovirus
  • Vehicle:
  • Unknown

Complaints of nausea, vomiting, and diarrhea began on November 30 among patrons of the 42nd Street Oyster Bar, in Raleigh, North Carolina. At least three of the illnesses were laboratory confirmed as caused by Norovirus. Although oysters originating …Read More »

October 06 2006 Outbreak of Norovirus Linked to Raw Oysters, Washington

  • Organism:
  • Norovirus
  • Vehicle:
  • Seafood, Shellfish, Oysters, Raw

A confirmed outbreak of Norovirus was associated with eating raw oysters at a restaurant in Washington.…Read More »

July 06 2006 Outbreak of Vibrio parahaemolyticus Linked to Raw Oysters at a Picnic, California

  • Organism:
  • Vibrio
  • Vehicle:
  • Seafood, Shellfish, Oysters, Raw

A confirmed outbreak of Vibrio parahaemolyticus was associated with eating raw oysters at a picnic in California.…Read More »

July 04 2004 Outbreak of Vibrio parahaemolyticus Infections on a Cruise Ship Alaska

  • Organism:
  • Vibrio
  • Vehicle:
  • Seafood Shellfish Oysters

Oysters that were harvested in Alaska and served on a cruise ship during four separate cruises were implicated in an outbreak of Vibrio parahaemolyticus. The genetic strain of Vibrio that had been isolated from the ill persons matched the strain tha…Read More »

December 94 1994 Multistate Outbreak of Gastrointestinal Illnesses Linked to Apalachicola Bay Oysters

  • Organism:
  • Norovirus
  • Vehicle:
  • Shellfish, Oysters

Thirty four separate clusters of illness were associated with eating oysters that had been harvested in Apalachicola Bay in late December, 1994. Oysters were shipped to other states, but additional clusters of illness had only been reported from Ge…Read More »

November 93 1993 Outbreak of Gastrointestinal Illnesses Linked to Apalachicola Oysters, Florida

  • Organism:
  • Norovirus
  • Vehicle:
  • Shellfish, Oysters

Seven separate outbreaks of foodborne illness related to the consumption of oysters were simultaneously investigated by health units in Northwestern Florida. The illnesses were linked to the consumption of oysters that had been harvested from what w…Read More »

November 93 1993 Multistate Outbreak of Norovirus Linked to Raw Oysters Served at Church Suppers

  • Organism:
  • Norovirus
  • Vehicle:
  • Shellfish, Oysters

Two outbreaks of Norovirus occurred following church suppers where steamed oysters were served. The total number of oysters consumed was a predictor of illness. Steaming oysters did not prevent illness. The oysters had been purchased in their shel…Read More »

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