Dependovirus<unk>  belongs to the Parvoviridae.  The<unk>  is a small (20 nm) replication-defective, nonenveloped<unk>  of mammals (including humans), which has not been<unk>  with any known diseases. <unk>  is being extensively researched as a potential vector for gene therapy as it possesses many advantages in this regard.
Adeno-associated virus
JC virus
BK virus
Bovine coronavirus
Helper virus
Human T-lymphotropic virus
Pithovirus
Oncolytic virus