Who should be screened for hepatitis B?

- Anyone born in an HBV endemic area where chronic hepatitis B infection > 2%. Essentially, anyone born outside of North America or Northern Europe (see map)
- Anyone born in Canada, not vaccinated at birth but whose parents were born in areas with high HBV endemicity (>8%)
- Injection drug users
- Persons who have multiple (>10 lifetime) sexual partners
- Persons needing immunosuppressive therapy, including chemotherapy, immunosuppression related to organ transplantation, and immunosuppression for rheumatologic or gastroenterologic disorders
- Immunosuppression can dangerous for HBsAg positive individuals
- Allogeneic bone marrow transplant or anti-CD20 (Rituximab) therapy can make hepatitis B come back in those who had previously cleared infection (HBsAg negative but anti-HBc positive)
- Persons with elevated ALT/AST of unknown etiology
- Donors of blood, plasma, organs, tissues, or semen
- Hemodialysis patients
- All pregnant women
- Infants born to HBsAg-positive mothers after age 18 months
Click here to learn how to screen someone for hepatitis B
