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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2016-2017 Vibrio vulnificus Infections Associated with Handling Tilapia from Fish Tanks, Washington

In 2016-2017 Public Health Seattle King County (PHSKC) investigated the source of two reported cases of Vibrio vulnificus. Both case-patients sustained wounds while handling tilapia, a freshwater fish, purchased live from 2 retail fish markets before illness onset. PHSKC inspected both retail fish markets where patients purchased live tilapia ("Market A" and "Market B") and transport tanks from a common distributor. Fish specimens and swabs from fish tanks, utensils, and environmental surfaces were collected. V. vulnificus was identified from 2/2 fish and 7/7 environmental swabs collected from "Market A" where "Patient A" shopped, and 2/2 fish and 6/8 environmental swabs from "Market B" where "Patient B" shopped, and 1/2 fish and 3/5 transport tanks from "Distributor A". PFGE patterns differed between patients but matched investigation isolates; 3 environmental isolates from "Market A" matched "Patient A's" isolate and all isolates from "Market B" and "Distributor A" matched "Patient B's" isolate.

  • Outbreak began:
  • Unknown 2016
  • Affected Country:
  • US
  • Affected States/Territories:
  • Washington
  • Organism(s):
  • Vibrio
  • Vehicle(s):
  • Fish
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Retail fish tanks
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 2
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 2
  • Number Probable Cases:
  • 0
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Yes
  • Number Hospitalized:
  • 1
  • Any Deaths:
  • No
  • Number Dead:
  • 0

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