Definition of elegy for English Language Learners. : a sad poem or song : a poem or song that expresses sorrow for someone who is dead.
Hepatitis B was first discovered in 1963 by Dr. Baruch Blumberg and colleagues, who identified a protein (the âAustralia antigenâ that reacted to antibodies from patients with hemophilia and leukemia.
Baruch Blumberg, then working at the National Health Institute (NIH), discovered the Australia antigen. (later known to be Hepatitis B surface antigen, or HBsAg) in the blood of aborigines.