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Disease Name: Echinococcosis


Quick Links

Please review the Idaho Reportable Disease Rules (IDAPA 16.02.10) for the most up-to-date information.

CDC Echinococcosis: http://www.cdc.gov/parasites/echinococcosis

http://www.cdc.gov/parasites/echinococcosis/health_professionals/index.html

Lifecycle of E. granulosus depicted and E. multilocularis from CDC: http://www.cdc.gov/parasites/echinococcosis/biology.html


Overview / Case Definition

Echinococcosis is an infection with the larval stage of an Echinococcus tapeworm.  This zoonotic pathogen exists in complex lifecycles between carnivorous and herbivorous hosts; humans are considered intermediate hosts.  Most infections in the United States are considered imported and diagnosed in individuals exposed to the parasite while visiting or living in counties where echinococcus parasites are endemic.  Humans, like other intermediate hosts, become infected when they are exposed to the eggs through the fecal-oral route. 


Restrictions

None


Reporting

Within 3 working days

Reportable by Healthcare and Labs:

Reportable by Food Service Facility:

Suspect Reportable:

Reporting Timeframe: Within 3 working days



Diagnosis / Testing

Noninvasive imaging techniques (radiographs, CT scans, MRI, and ultrasound imaging) for detecting and defining the extent and condition of avascular fluid-filled cysts in most organs. 

Prior notification to the IBL is required before submission.  Call 208-334-2235 during normal business hours, or call 800-632-8000 to have a laboratory staff member paged after business hours.

a. Echinococcosis Immunoblot is test order #CDC-10460

b. CDC can speciate samples for E. granulosus but is not able to differentiate the other echinococcus species. Additional speciation would have to be arranged through the University of Bern, Switzerland.

The enzyme immunoassay (EIA) to detect Echinococcus-specific IgG is available commercially. http://www.questdiagnostics.com/testcenter/TestDetail.action?ntc=91307&fromFlyOut=true


Treatment

The Idaho Department of Fish and Game routinely recommends that IDFG personnel and hunters take simple precautions to maintain appropriate hygiene and minimize the potential for human exposure to a variety of pathogens that may occur in wildlife within the state.

The Idaho Department of Health and Welfare has a hunter health page found here http://healthandwelfare.idaho.gov/Health/HunterHealth/tabid/1280/Default.aspx


Additional Information

CDC Echinococcosis: http://www.cdc.gov/parasites/echinococcosis

http://www.cdc.gov/parasites/echinococcosis/health_professionals/index.html

Lifecycle of E. granulosus depicted and E. multilocularis from CDC: http://www.cdc.gov/parasites/echinococcosis/biology.html


Click to Call South Central Public Health District

Click to Call the Idaho State Epidemiologist

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