Echinococcus
Alternate Names : Hydatidosis, Hydatid disease, Hydatid cyst disease
Definition
Echinococcus is an infection caused by the Echinococcus granulosus or Echinococcus multilocularis worm.
Overview, Causes, & Risk Factors
Echinococcus is common in: - Africa
- Central Asia
- Southern South America
- The Mediterranean
- The Middle East
In the United States, the disease is very rare. However, it has been reported in California, Arizona, New Mexico, and Utah. Humans become infected when they swallow eggs in contaminated food. The infection is carried to the liver, where cysts form. Cysts can also form in the: - Brain
- Bones
- Kidney
- Lungs
- Skeletal muscles
- Spleen
Risk factors include being exposed to: - Cattle
- Deer
- Feces of dogs, wolves, or coyotes
- Pigs
- Sheep
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