The growth of knowledge about a disease: hepatitis.
D000328:Adult; D002648:Child; D004739:England; D006515:Hepatitis B virus / Q000302:isolation & purification; D006525:Hepatitis, Viral, Human / Q000175:diagnosis / Q000266:history* / Q000517:prevention & control; D006507:Hepatovirus / Q000302:isolation & purification; D049672:History, 19th Century; D049673:History, 20th Century; D006805:Human Experimentation; D006801:Humans; D014481:United States