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.
Hepatitis B virus (HBV) tests may be used for a variety of reasons. Some of the tests detect antibodies produced in response to HBV infection; some detect antigens produced by the virus, and others detect viral DNA.The main uses for HBV tests include:f exposed to HBV, an infection can be avoided by getting a shot of hepatitis B immune globulin (HBIG) within 24 hours. A test is available to determine the specific type (strain) of hepatitis B virus that is causing a person's infection.