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

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 cases were reported by 5 states. Two people were hospitalized. There were no deaths. Illnesses started on dates ranging from December 16, 2018 to April 17, 2019. Laboratory testing on samples from patients identified multiple pathogens causing infections. Some people were infected with more than one pathogen. Case counts by pathogen or illness: 4 cases of Shigella flexneri infection, 2 cases of Vibrio parahaemolyticus infection, 1 case of vibrio parahaemolyticus and Shiga toxin-producing E. coli non-O157 infection, 1 case of vibrio parahaemolyticus and Shigella flexneri coinfection, 1 case of Shigella flexneri and Campylobacter lari coinfection, 1 case of Vibrio albensis infection, 1 case of norovirus genogroup 1 infection, 1 case of infection with Vibrio of unknown species, and 4 cases of illness without a pathogen identified. On June 21, 2019 the CDC declared the outbreak to be over. On May 6, 2019 one US distributor of oysters harvested from Estero El Cardon issued a voluntary recall. On May 7, Estero El Cardon was closed to further oyster harvesting pending investigation.

  • Outbreak began:
  • December 2018
  • Affected Country:
  • US
  • Affected States/Territories:
  • California, New Hampshire, Alaska, Illinois, Nevada
  • Organism(s):
  • Shigella, Vibrio, Campylobacter, Norovirus
  • Vehicle(s):
  • Raw Oysters
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Restaurant
  • Brand Name(s):
  • DiCarlo Seafood
  • Product Subject to Recall:
  • Yes
  • Total ill:
  • 16
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 12
  • Number Probable Cases:
  • 4
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Yes
  • Number Hospitalized:
  • 2
  • Any Deaths:
  • No
  • Number Dead:
  • 0

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