Fact sheet

CDC Hepatitis D Basics

CDC 面向公众的丁型肝炎说明，解释 HDV 只能感染已有 HBV 感染的人、传播途径、风险人群、症状、筛查检测和预防。

Recently checked

Organization: Centers for Disease Control and Prevention
Country / region: United States
Language: English
Credibility: 国家公共卫生机构
Published: Not listed
Updated: Not listed
Last checked: 2026-06-26
URL: https://www.cdc.gov/hepatitis-d/about/index.html

Test Results Source-backed

Should people who are HBsAg positive be tested for hepatitis D (HDV)?

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.

Coinfection HDV Monitoring Prevention

CDC Hepatitis D Basics

Related Articles

Should people who are HBsAg positive be tested for hepatitis D (HDV)?