TT virus: a mother-to-child transmitted rather than bloodborne virus.

Abstract

To the Editor: An unenveloped single-stranded DNA virus, TT virus (TTV), was initially identified as a transfusion-transmissible agent reported to be associated with non-A-G hepatitis by Nishizawa et al.[1][1] At present, transfusion of blood and blood products is supposed to be a major route of