Paramyxovirus can refer to two different groups of viruses:
*a member of the family ''
Paramyxoviridae
''Paramyxoviridae'' (from Ancient Greek, Greek ''para-'' “by the side of” and ''myxa'' “mucus”) is a family of negative-strand RNA viruses in the order ''Mononegavirales''. Vertebrates serve as natural hosts. Diseases associated with this ...
'' can be called a paramyxovirus (no italics)
*the genus ''
Respirovirus
''Respirovirus'' is a genus of viruses in the order ''Mononegavirales'', in the family ''Paramyxoviridae''. Rodents and human serve as natural hosts. There are seven species in this genus. Diseases associated with this genus include: croup and ot ...
'' was known as ''Paramyxovirus'' (with italics) until 1998
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