Article
Hepatitis B virus: significance of naturally occurring mutants.
Intervirology - 1 Jan 1993
Blum H E
Abstract excerpt
Mutations of viral genomes are normal biological events and result in the coexistence of viral genotypes in infected individuals ('quasispecies'). Hepatitis B virus (HBV) and the related animal hepadnaviruses have a mutation rate which is intermediate between DNA and RNA viruses because they replicate asymmetrically via reverse transcription of an RNA intermediate. HBV mutants affecting all known reading frames...
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