noun, plural elegies. 1. a mournful, melancholy, or plaintive poem, especially a funeral song or a lament for the dead. 2. a poem written in elegiac meter. 3. a sad or mournful musical composition. Origin of elegy.
Hepatitis D virus (HDV) is an RNA virus that is structurally unrelated to hepatitis A (HAV), hepatitis B (HBV), or hepatitis C virus (HCV). It was discovered in 1977. HDV causes a unique infection that requires the assistance of viral particles from HBV to replicate and infect other hepatocytes.Its clinical course is varied and ranges from acute, self-limited infection to acute, fulminant liver failure.
Leprosy is now called Hansen's Disease after Armauer Hansen the Norwegian who discovered the bacterium that caused it (Mycobacterium leprae) in Norway in 1873. In fact, it was â¦ the very first bacterium that caused a human disease to be discovered.3 people found this useful.eprosy is now called Hansen's Disease after Armauer Hansen the Norwegian who discovered the bacterium that caused it (Mycobacterium leprae) in Norway in 1873. In fact, it was â¦ the very first bacterium that caused a human disease to be discovered. 3 people found this useful.