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Vibriosis in Washington
State
The number of vibriosis cases varies from year to
year depending on environmental conditions. In 2006, a large
outbreak of vibriosis occurred in Washington State involving
at least 110 residents. Vibrio parahaemolyticus is
endemic to the estuaries of Washington State as are several
other Vibrio species. V. vulnificus
infections usually result from exposures outside of
Washington. Most vibriosis cases in the United States occur
between April and October. During the warmer months of the
year, the DOH Shellfish Programs routinely monitor shellfish
from the Washington coast for Vibrio organisms and
will close beds to harvesting if Vibrio levels become
dangerously high or if growing areas are epidemiologically
linked to human illness.
Purpose of Reporting and
Surveillance
Legal Reporting Requirements
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Health care providers: notifiable to
local health jurisdiction within 3 work days.
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Hospitals: notifiable to local
health jurisdiction within 3 work days.
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Laboratories: no requirements for
reporting.
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Local health jurisdictions:
notifiable to Washington State Department of Health (DOH)
Communicable Disease Epidemiology Section (CDES) within 7
days of case investigation completion or summary information
required within 21 days.
Last
update
September 2007 |
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