Hepatitis B
Liver infection transmitted through blood and sexual contacts. Hepadnavirus causing chronic hepatitis and cirrhosis risk.
Key facts
| Cause | Virus |
|---|---|
| Spread | Blood/Body fluids |
| Incubation | 30–180 days |
| Vaccine | Yes |
| Treatment | Antivirals |
Did you know?
Hepatitis B virus (HBV), a partially double-stranded DNA virus, utilizes reverse transcriptase to replicate via an RNA intermediate—similar to retroviruses. However, its persistence is mediated by covalently closed circular DNA (cccDNA), which integrates into hepatocyte nuclei and serves as a stable transcriptional template resistant to current antiviral therapies.
Next: Hepatitis C
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