How hepatitis B vaccination protects people
How hepatitis B vaccine, anti-HBs, vaccine records, family catch-up vaccination, and post-exposure questions fit together.
CDC Hepatitis B Prevention and Control
CDC 关于乙肝传播方式、家庭和伴侣风险、疫苗、检测和预防措施的公众说明。
Open original source- Organization
- Centers for Disease Control and Prevention
- Country or region
- United States
- Language
- en
- Source type
- fact_sheet
- Published
- Source updated
- Last checked
- 2026-06-26
- Credibility note
- 国家公共卫生机构
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