<unk>  <unk>  is a partially double-stranded DNA virus, a species of the genus Orthohepadnavirus and a member of the Hepadnaviridae family of viruses. This virus causes the disease hepatitis B.
Hepatitis B virus
Hepatitis C virus
Hepatitis F virus
Rubella virus
Dhori virus
Hendra virus
Influenza B virus
BK virus