VIRUS STRUCTURAL CHARACTERISTICS Family
Important species
envelopment
Adenoviridae
Baltimore group dsDNA
adenovirus
Picornaviridae
+ssRNA
Herpesviridae
dsDNA
Hepadnaviridae
Flaviviridae
dsDNA and ssDNA +ssRNA
coxsackievirus, hepatitis a virus, poliovirus epstein-barr virus, herpes simplex, type 1, herpes simplex, type 2, human cytomegalovirus, human herpesvirus, type 8, varicella-zoster virus hepatitis B virus
nonenveloped nonenveloped
Retroviridae
+ssRNA
Orthomyxoviridae Paramyxoviridae
-ssRNA -ssRNA
Papillomaviridae
ssDNA
hepatitis C virus, yellow fever virus, dengue virus, west Nile virus, other Flaviviruses human immunodeficiency virus (HIV) influenza virus measles virus, mumps virus, parainfluenza virus, respiratory syncytial virus papillomavirus
Rhabdoviridae
-ssRNA
Togaviridae
+ssRNA
Virion Replication shape site icosahedral nucleus icosahedral
enveloped
nucleus
enveloped
icosahedral nucleus
enveloped
icosahedral
enveloped
enveloped enveloped
spherical spherical
icosahedral
rabies virus
nonenveloped enveloped
Rubella virus
enveloped
helical, bullet shaped icosahedral
nucleus