MMWR: Recommendations for Identification and Public Health Management of Persons with Chronic Hepatitis B Virus Infection
This serial updates and expands previous CDC guidelines for hepatitis B surface antigen (HBsAg) testing, and includes new recommendations for public health evaluation and management for chronically infected persons and their contacts. Routine testing for HBsAg now is recommended in additional populations with HBsAg prevalence of greater than or equal to 2%: persons born in geographic regions with HBsAg prevalence of greater than or equal to 2%, men who have sex with men, and injection-drug users.