Hepatitis B - StatPearls - NCBI Bookshelf - National Center for
https://www.ncbi.nlm.nih.gov/books/NBK555945/
WebJul 9, 2023 · HBsAg is transmitted via blood contact or body secretions, and the risk of acquiring hepatitis B is considerably higher in individuals with close contact with HBsAg-positive patients. The pathogenesis of liver disease in HBV infection is mainly immune-mediated, and in some circumstances, HBV can cause direct cytotoxic injury to the liver.
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