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 »

January 14 Campylobacter in Three Persons Linked to Consumption of Raw Oysters, Oregon 2014

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

An outbreak of campylobacter in three individuals who consumed raw oysters sold by Coos Bay Oyster company of Charleston, Oregon prompted a recall of its shucked and in-shell oysters. All three persons were laboratory confirmed with Campylobacter. Th…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 12 Vibrio parahaemolyticus linked to oysters sold by Drakes Bay Oyster Company, 2012

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

Oysters from the Drakes Bay Oyster Company in Marin County, California were linked to an outbreak of vibrio parahaemolyticus in July and August 2012. California Department of Health Services announced that three persons were ill.…Read More »

April 12 Louisiana Restaurant Oysters 2012

  • Organism:
  • Norovirus
  • Vehicle:
  • Oysters

14 people became ill with Norovirus after eating oysters at a New Orleans restaurant. The Gulf Coast area where the oysters were harvested was closed down. The people who reported illness ate at the restaurant on April 28 and 29. No hospitalizations …Read More »

October 11 Washington State Restaurant Assi Korean Farms Oysters 2011

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

On November 4, the Food and Drug Administration warned consumers to avoid eating ASSI Brand frozen oysters from Korea following an outbreak of norovirus in Washington state. The oysters had been served at a Washington state restaurant and resulted i…Read More »

September 11 Hood Canal Area 4 Oysters 2011

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

An outbreak of Vibio parahaemolyticus was associated with eating oysters harvested from Hood Canal Area 4 in Washington state. The oysters had been harvested between August 30 and September 19 and were subsequently shipped to 23 states and to China,…Read More »

September 11 South Carolina Private Home Oysters 2011

  • Organism:
  • Vibrio parahaemolyticus
  • Vehicle:
  • Oysters

A confirmed outbreak of Vibrio parahaemolyticus linked to oysters occurred in a private home in Horry County, South Carolina.…Read More »

July 11 Manatee County Oysters 2011

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

On July 12, the Manatee County Health Department, Florida, announced that they were investigating a case of Vibrio vulnificus that had been contracted from eating oysters. The exposure location and the source of the oysters were not described.…Read More »

July 11 Washington State Oysters 2011

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

At least 22 people became ill after eating raw oysters containing Vibrio parahaemolyticus bacteria. The oysters had been harvested from commercial operations(18 people) and recreational oyster beds(4 people) in Puget Sound and on the Washington coast…Read More »

April 11 Apalachicola Bay, Area 1642, Oysters 2011

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

Consumption of raw or steamed oysters harvested from Area 1642 in Apalachicola Bay, Florida, was linked to an outbreak of Vibrio cholerae O75. The ill resided in four states, but had consumed the oysters while in Florida. Area 1642 is a zone that s…Read More »

March 10 Yaquina Bay Oysters 2010

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

An outbreak of Norovirus occurred among people who had eaten oysters harvested and distributed from Yaquina Bay, Oregon. Related illnesses were discovered in at least three states. The sixteen ill people came from ten households; they ate the oyste…Read More »

March 10 Louisiana Oysters 2010

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

Beginning in late March, three separate outbreaks of Norovirus, were linked to the consumption of Louisiana oysters. This resulted in the closure of three oyster harvest areas in St. Bernard, Plaquemines, and parts Lafourche and Jefferson parishes. …Read More »

November 09 San Antonio Bay Oysters 2009

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

Approximately 12 people became ill with norovirus after eating oysters that had been harvested from San Antonio Bay, Texas. The illnesses occurred in South Carolina(6 illnesses) and North Carolina. Shellfish Sanitation officers determined that thre…Read More »

November 09 South Carolina Private Home Oysters 2009

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

A confirmed outbreak of Norovirus was associated with eating oysters in a private home in South Carolina.…Read More »

June 09 California Restaurant Oysters 2009

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

A confirmed outbreak of Vibrio parahaemolyticus occurred among people who had eaten raw oysters at a restaurant in California.…Read More »

March 09 Gulf of Mexico Oysters 2009

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

The state of Tennessee investigated an outbreak of Norovirus with another state in January, 2009. The strains of Norovirus from the sick people matched Norovirus found in unopened, raw oysters from Mississippi Area 2C. In a second investigation, ele…Read More »

January 09 Superbowl Party Sitka Raw Oysters 2009

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

People who attended a Superbowl party on February 1 developed symptoms of illness consistent with Norovirus infection. The illnesses were attributed to oysters that had been grown at a single oyster farm in Sitka Channel, Alaska. Oysters from the f…Read More »

January 09 Tennessee Restaurant Oysters 2009

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

An outbreak of Norovirus was associated with eating raw oysters at a restaurant in Tennessee.…Read More »

October 08 California Restaurant Oysters 2008

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

Two people developed Vibriosis(Vibrio parahaemolyticus) after eating oysters at a restaurant in California.…Read More »

August 08 Maryland Restaurant Delaware Bay Oysters 2008

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

New Jersey oysters that were served at a Maryland restaurant were implicated in an outbreak of Vibrio parahaemolyticus. The outbreak resulted in the closure of oyster beds. The oysters were traced to the Ship John and Shellrock oyster beds in the u…Read More »

January 08 Minnesota Private Home Oysters 2008

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

A confirmed outbreak of Norovirus occurred among people who had eaten oysters at a private home in Minnesota.…Read More »

December 07 West Karako Bay Oysters 2007

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

Six patrons of a Chattanooga, Tennessee, restaurant became ill after eating oysters. A oyster shucker also became ill. Norovirus was isolated from the oysters. The oyster growing area was temporarily closed beginning December 21. The original shi…Read More »

December 07 Tennessee Restaurant Oysters 2007

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

A confirmed outbreak of Norovirus occurred among people who had eaten raw oysters while at a restaurant in Tennessee.…Read More »

July 07 Minnesota Banquet Facility Oysters 2007

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

A confirmed outbreak of Norovirus occurred at a banquet facility in Minnesota. Oysters were named as the vehicle of infection.…Read More »

April 07 Puerto Peñasco Raw Oysters 2007

  • Organism:
  • Hepatitis
  • Vehicle:
  • Seafood, Shellfish, Oysters

In May, the Arizona Department of Health Services (ADHS) was notified of a cluster of Hepatitis A cases in Maricopa, Yuma and Pima counties. All of the cases reported eating raw oysters in Puerto Peñasco, or Rocky Point, Mexico between March 8 and …Read More »

February 07 Bull and Oyster San Antonio Bay Oysters 2007

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

People who attended the Bull and Oyster Event over the weekend of February 9 to 11, in Maryland, became ill after eating raw oysters that had been harvested from San Antonio Bay, Texas. The resulting investigation resulted in the temporary closure o…Read More »

November 06 Rugby Frozen Oysters from Korea 2006

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

Marion County, Oregon, public health investigators discovered that frozen, imported, oysters were the cause of an outbreak of gastroenteritis. The oysters had been harvested in South Korea, frozen on the half shell for seven months before being eate…Read More »

November 06 Oregon Other Location Oysters 2006

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

A confirmed outbreak of Norovirus was linked to eating oysters in Oregon. The exposure location was described only as "other."…Read More »

October 06 Washington Restaurant Raw Oysters 2006

  • 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 California Picnic Raw Oysters 2006

  • 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 »

June 06 California Restaurant, Picnic, or Private Home Raw Oysters 2006

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

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

May 06 Multistate Raw Shellfish 2006

  • Organism:
  • Vibrio
  • Vehicle:
  • Seafood, Shellfish, Oysters, Crab, Lobster, Scallops, Shrimp

New York, Oregon and Washington reported 177 cases of Vibrio parahaemolyticus infection between May 20 and July 31. One hundred twenty two of the cases were associated with 17 clusters based on epidemiology. Two clusters in New York City were linke…Read More »

March 06 Oregon Restaurant Raw Oysters 2006

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

Two people became ill due to Norovirus after eating raw oysters at a restaurant in Oregon.…Read More »

February 06 Oregon Fair or Temporary Mobile Service Raw Oysters 2006

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

A confirmed outbreak of Norovirus occurred among people who had eaten raw oysters while at a fair in Oregon.…Read More »

January 06 Colorado Unknown Location Raw Oysters 2006

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

A confirmed outbreak of Campylobacter jejuni occurred among people who had eaten raw oysters in Colorado. The exposure location was not described.…Read More »

August 05 Raw Oysters 2005

  • Organism:
  • Hepatitis
  • Vehicle:
  • Seafood, Shellfish, Oysters

Oysters harvested from specific areas in the Gulf Coast were the cause of a multi-state outbreak of Hepatitis A starting in August. The oysters were harvested prior to Hurricane Katrina, so they were not contaminated by the effects of the storm, but…Read More »

July 05 Florida Oyster and Clam 2005

  • Organism:
  • Toxin
  • Vehicle:
  • Seafood, Shellfish, Oysters, Clams

Health Department workers were notified of a cluster of neurotoxic shellfish poisonings in July. The four case-patients (2 adults and 2 children) had visited a local beach to dig clams, and had eaten the clams after boiling them. The clams were har…Read More »

July 04 Alaskan Oysters 2004

  • 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 »

July 98 Long Island Sound Raw Shellfish 1998

  • Organism:
  • Vibrio
  • Vehicle:
  • Seafood, Shellfish, oyster Seafood, Shellfish, clam

A July to September outbreak of Vibrio parahaemolyticus infections was found to be associated with consumption of raw oysters and clams harvested in Long Island Sound. The New York City Department of Health (NYCDOH) began investigating when a New Yo…Read More »

December 96 Louisiana Oysters 1996

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

At the end of December, the Louisiana Office of Public Health was notified of a cluster of illnesses associated with the consumption of raw oysters on Christmas. Additional clusters were added by the end of the investigation, and the total number of…Read More »

May 96 Los Angeles County Raw Oysters 1996

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

Three deaths related to Vibrio vulnificus caused blood infection were detected in Los Angeles County. These had resulted from the consumption of raw oysters. Vibrio vulnificus had been found in the blood the decedents. Of foodborne infectious dis…Read More »

December 94 Apalachicola Bay Oysters 1994

  • 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 Apalachicola Oysters 1993

  • 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 Church Supper Oysters 1993

  • 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 »

December 93 Oysters 1993

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

Twenty three clusters of ill persons infected with Norovirus were found in four states related to the consumption of oysters. Raw, or steamed oysters, were the only food found to be associated with illness. The oysters originated from the Grand Pass…Read More »

January 91 Honolulu New Year's Eve Celebrations Shellfish 1991

  • Organism:
  • Other
  • Vehicle:
  • Shellfish, Oysters, Clams

Persons who ate shellfish and who attended one, or more, of three New Year's Eve celebrations in Honolulu developed gastroenteritis. Illness was associated with eating raw, or grilled, shellfish at the events. No other foods were associated with ill…Read More »

August 88 Lousiana Oysters 1988

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

A man who ate raw oysters that had been processed by a new oyster-processing plant in Rifle, Colorado, developed cholera. The oysters originated from the coast of Louisiana. After this illness was investigated, at least five additional oyster-relat…Read More »

July 88 Multistate Raw Oysters from the Gulf of Mexico 1988

  • Organism:
  • Hepatitis
  • Vehicle:
  • Seafood, Shellfish, Oysters

Oysters that were harvested in the coastal waters of Panama City, Florida, were associated with a multistate outbreak of hepatitis A. Hepatitis A virus was isolated from oysters from approved an unapproved oyster beds and from scallops harvested fro…Read More »

August 86 Shellfish 1986

  • Organism:
  • Vibrio
  • Vehicle:
  • Shellfish, Oysters, Crab, Shrimp

Four persons in Louisiana, and one person in Florida, developed cholera after eating shellfish. The Louisiana case-patients had eaten crabs and shrimp harvested from the Louisiana coast of the Gulf of Mexico. The Florida case had eaten raw oysters …Read More »

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