When did bloodbanks start screening for hepatitis b?

1971. Tests for hep b surface antigen (marker of active infection) since 1971; hep b core antibody 1986 (igm marker of acute infection, IgG marker of past infection).

Related Questions

Exactly when did bloodbanks start screening blood for hepatitis b?

Early 1970s. Hbv was diagnosed in the later 1960s. By 1971, testing was being done using the surface antige (hbsag). The core antibody was added in 1986 and by 2009, nucleic acid testing was used. The risk of hbv through blood transfusion is now between 1 in 200, 000 and 1 in 500, 000 units of blood. Read more...