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.
LIVING WITH CHRONIC HEPATITIS B 1 Hepatitis B is a liver infection caused by the hepatitis B virus.There are two kinds of hepatitis B (called Hep B). The acute formis the initial infection.