A “new” antigen in leukemia sera.

(Order of authorship in the original publication: Blumberg, Alter, Visnich.) Discovery of Australia antigen, hepatitis B antigen, Aa, later called HBsAg.  Blumberg received half of the Nobel Prize for Medicine in Biology in 1976 for the discovery of the antigen, for discovery of the hepatitis B virus, and for the discovery/ invention of the hepatitis B vaccine— the first cancer vaccine.  See B. S. Blumberg, Hepatitis B: The Hunt for a Killer Virus (Princeton: Princeton University Press, 2002.)