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DNA viri | DNA VirusesPoxviridaeLarge viruses of complex structure with linear double-stranded DNA.
AdenoviridaeNonenveloped virions of icosahedral symmetry and linear double-stranded DNA.
HerpesviridaeIcosahedral virion with capsid and linear double-stranded DNA. (EBV, Herpes, Cytomegalie, Varizellen)
IridoviridaeLarge enveloped or nonenveloped icosahedral virions with linear double-stranded DNA.
HepadnaviridaeSmall enveloped spherical virions with circular double-stranded DNA.
PapovaviridaeIcosahedral, nonenveloped virions with circular DNA. (HPV, Papillomaviridae, Polyomaviridae)
ParvoviridaeSmall icosahedral, nonenveloped virions with single-stranded DNA.
RNA viri | RNA VirusesPicornaviridaeSmall icosahedral, nonenveloped virions with nonsegmented single-stranded, plus-strand RNA. (polioviruses, Coxsackie viruses, echoviruses), cardioviruses, rhinoviruses (common cold viruses), and aphthoviruses (foot-and-mouth disease virus of cattle).
CaliciviridaeIcosahedral, nonenveloped virions with single plus-strand RNA.
TogaviridaeSmall enveloped virions. The genome is single plus-strand RNA.
FlaviviridaeEnveloped and spherical in shape with nonsegmented single plus-strand RNA. Cause yellow fever, dengue, tick-borne encephalitis, and Japanese B encephalitis; hog cholera virus (pestivirus) and hepatitis C virus of humans.
CoronaviridaeEnveloped virions with single plus-strand RNA genome.
OrthomyxoviridaeEnveloped virions with negative-strand RNA and endogenous RNA polymerase.
ParamyxoviridaeEnveloped virions with single negative-strand nonsegmented RNA. (human parainfluenza viruses, rinderpest)
RhabdoviridaeEnveloped virions with single minus-strand RNA.
FiloviridaeEnveloped virions with single minus-strand RNA. (Marburg, Ebola viruses)
ArenaviridaeEnveloped virions with minus-strand RNA.
BunyaviridaeEnveloped virions with single-stranded RNA of negative sense. (bunyavirus, phlebovirus, nairovirus, taspovirus, and hantavirus)
RetroviridaeEnveloped virions with single plus-strand RNA in nondefective virions and a reverse transcriptase.
ReoviridaeNonenveloped icosahedral virions with double-stranded RNA. rotaviruses (widespread causative agents of gastroenteritis in mammals, including humans).