Hepatitis B Virus Studies

Hepatitis B virus infects liver cells and, when the immune system fails to clear it, can persist for decades as chronic hepatitis B, silently driving inflammation that raises the risk of cirrhosis and hepatocellular carcinoma — one of the most lethal cancers worldwide. Epidemiologists track how roughly 250 million people remain chronically infected despite a highly effective vaccine that has existed since the 1980s, examining why coverage gaps persist across regions, age groups, and healthcare systems. Antiviral therapies can suppress viral replication but rarely achieve a functional cure, so a central open question is what combination of immunological and virological factors allows the virus to evade clearance. Understanding the true global burden of HBV infection — including undiagnosed cases and long-term outcomes — remains an active priority for guiding elimination strategies set by public health bodies such as the WHO.

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Keywords

Hepatitis B VirusChronic Hepatitis BViral HepatitisHBV InfectionHepatocellular CarcinomaAntiviral Therapy