Inclusion Criteria:

• Men and women aged >18 years with a diagnosis of echinococcosis (Alveolar Echinococcosis or Cystic Echinococcosis) established according to the reference criteria
• Signature of the informed consent form indicating that the subject has understood the purpose and the procedures required by the study and that he agrees to participate in the study and to comply with the requirements and restrictions about this study
• Affiliation to a French social security scheme or beneficiary of such a scheme.

Exclusion Criteria:

• Legal incapacity or limited legal capacity
• Subject unlikely to cooperate in the study and/or low cooperation anticipated by the investigator
• Subject without health insurance
• Pregnant woman
• Subject being in the period of exclusion from another study or provided by the "national volunteer file".