Hepatitis B

**Definition:** INFLAMMATION of the LIVER in humans caused by a member of the ORTHOHEPADNAVIRUS genus, HEPATITIS B VIRUS. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact.

**Tree numbers:** - C01.221.250.500 - C01.925.256.430.400 - C01.925.440.435 - C06.552.380.705.437

**Synonyms:** - Hepatitis B Virus Infection