DNA Viruses RNA Viruses Group I Group‖l Group Ill Group Group V Group VI Group VI DNA(+/-) DNA (+ RNA(+/-) RNA(+) RNA(-) RNA(+) DNA(+/-) ranscription DCOOOOOO RNA(-) DNA(+/- Reverse transcription RNA prot Baltimore classification Fields Virology 6th editionFields Virology, 6th edition DNA viruses RNA viruses Baltimore classification