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

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 three different dining parties. Meal dates ranged from March 26 to April 1. Case patients included visitors from California and Wisconsin. One person was laboratory confirmed with norovirus. No one was hospitalized and no one died. The outbreak was traced to raw oysters from the same oyster harvesting area, Bay Center.

  • Outbreak began:
  • March 2017
  • Affected Country:
  • US
  • Affected States/Territories:
  • Washington
  • Organism(s):
  • Norovirus
  • Vehicle(s):
  • Raw Oysters
  • Molecular Results Available:
  • Yes
  • Test Results:
  • Genogroup II
  • Location(s):
  • Restaurant
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 5
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 1
  • Number Probable Cases:
  • 4
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • No
  • Number Hospitalized:
  • 0
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown
  • Any References:
  • No

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