What is "orthohepadnavirus"

n. Any virus of the genus ''Orthohepadnavirus''.

Orthohepadnavirus is a genus of viruses, in the family Hepadnaviridae. Human and mammals serve as natural hosts. There are currently five species in this genus including the type species Hepatitis B virus. Diseases associated with this genus include: hepatitis, hepatocellular carcinoma (chronic infections), cirrhosis.