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Hydatid Disease

Hydatid Disease

Diseased animal

Can I still use the animal Yes - take safety precautions
Commonly infected wildlife Canines, Cervids
Is this animal infected
  • Adult worms live and grow in infected dog and wild canine (wolf and coyote) intestines
  • Infected cervids often have large fluidfilled cysts in lungs or liver – these cysts are NOT infectious to people
Can I get it Yes
  • Dogs and wild canines eat cysts of cervid lungs and liver, and worms mature
  • The worms release eggs in dog and wild canine feces, and eggs stick to their fur
  • The shed eggs can infect people
How bad can it get

Risk - Danger

Gets worse with time and depends on organ affected

How can I protect myself and others
  • When handling live canines, their feces, pelts or carcasses:
    • Wear disposable gloves
    • Practice good hygiene
      • Disinfect your work space
Symptoms in humans
  • Severity of symptoms depends on if and where the juvenile worms form cysts:
    • Brain – death
    • Lungs – breathing difficulties
    • Abdomen – liver damage
  • Consult your doctor if you have health concerns after handling wolf or coyote carcasses
Is it safe for pets


  • Cysts found in cervids can infect pet dogs
  • Once infected, pet dogs can be a source of infection to you and your family

DO NOT ALLOW dogs access to lungs and liver from cervids

What causes it
  • The tapeworms Echinococcus granulosus and Echinococcus multilocularis