Table 1
Classification and Genomes of Human Viruses

GROUP FAMILY EXAMPLES
GENOME SIZE (~)
I. (ds DNA) Papillomaviruses HPVs 8 Kbp
  Adenoviruses Adenoviruses 40 Kbp
  Herpesviruses HSV-1 & 2, VZV, EBV, CMV 130 - 230 Kbp
  Poxviruses Smallpox (Variola) and Vaccinia 150 - 250 Kbp
       
II. (ss DNA) Parvoviruses Parvovirus 5 Kb
       
III. (ds RNA) Reoviruses Rotavirus 22 Kbp (11 pieces)
       
IV. (+ ss RNA) Picornaviruses Poliovirus, Rhinoviruses, Hep. A 8 Kb
  Coronaviruses SARS 29 Kb
  Togaviruses Rubella 12 Kb
  Flaviviruses Yellow Fever, West Nile, Hep. C 10 Kb
       
V. ( - ss RNA) Rhabdoviruses Rabies 11 Kb
  Paramyxoviruses Measles and Mumps 14 Kb
  Orthomyxoviruses Influenza A and B 12 Kb (8 pieces)
  Bunyaviruses Hantavirus 18 Kb (3 pieces)
  Arenaviruses Lassa 12 Kb (2 pieces)
  Filoviruses Ebola and Marburg 19 Kb
       
VI. (RNA rev. trans.) Retroviruses HIV and HTLV 10 Kb
       
VII (DNA rev. trans.) Hepadnaviruses Hep. B 3 Kbp