Creation of a Cohort for the Quantitation and Characterization of Circulating Viral RNAs as a New Biomarker of Hepatitis B Functional Cure.

Inclusion Criteria

• •Adults patients and minor children over 6 years of age (in Lyon) with acute or chronic hepatitis B or presenting with HBsAg loss (with/without HBs seroconversion). (Co-infected patients with HDV and/or HCV and/or HIV are eligible)
• •Patients requiring blood sampling for medical care at the time of the medical appointment.
• •Informed patients who do not refuse to participate.
• •Persons not affiliated to a social security scheme and persons receiving medical assistance from the state may be asked to participate in the study