Table 5 Interpretation of HBV results prior to vaccination (1B)
From: Clinical practice guideline management of blood borne viruses within the haemodialysis unit
HBsAg | anti-HBs titre | Anti-HBc | Interpretation |
|---|---|---|---|
– | – | – | Not Immune Has not been infected, but still at risk for possible future infection. VACCINATE |
– | + | + | Immune Surface antibodies present due to previous infection, and now recovered. VACCINE NOT NEEDED |
– | + | – | Immune Has already been vaccinated. Level of immunity will depend on titre. REFER to medical staff if NO prior history of vaccination VACCINE MAY / MAY NOT BE NEEDED |
+ | – | + | Hepatitis B Infection Hepatitis B virus is present. REFER to medical staff VACCINE NOT NEEDED |
– | – | + | Unclear likely natural immunity - vaccination may be indicated particularly in immunocompromised patients |