Learn about hepatitis B through this comprehensive medical lecture that covers the fundamental aspects of this viral infection. Explore the epidemiology, transmission routes, and clinical manifestations of hepatitis B virus (HBV) infection. Understand the natural history of the disease, including acute and chronic phases, and examine the various stages of chronic hepatitis B infection. Discover diagnostic approaches including serological markers and their interpretation, as well as current treatment guidelines and management strategies. Review prevention methods including vaccination protocols and post-exposure prophylaxis. Gain insights into patient monitoring, assessment of treatment response, and long-term care considerations for individuals with chronic hepatitis B infection.