# WHO Hepatitis D Fact Sheet

WHO 关于丁型肝炎的事实说明，涵盖 HDV 与 HBV 的关系、全球负担、重症风险、传播、诊断、预防和治疗概况。

- Original URL: https://www.who.int/news-room/fact-sheets/detail/hepatitis-d
- Organization: World Health Organization
- Country or region: Global
- Language: en
- Source type: fact_sheet
- Published: 
- Source updated: 
- Last checked: 2026-06-26
- Credibility note: 权威公共卫生来源

## Related Articles

- [Should people who are HBsAg positive be tested for hepatitis D (HDV)?](https://openhbv.com/articles/should-people-who-are-hbsag-positive-be-tested-for-hepatitis-d-hdv.md?locale=en) — Why hepatitis D depends on hepatitis B, which HBsAg-positive people should ask about HDV testing, and what to do after a positive or high-risk result.

This page is a source record, not medical advice. Use the original source URL above to verify claims, publication details, updates, and scope. OpenHBV records the last checked date so readers and LLM retrieval systems can judge freshness.