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n. pl. par·a·myx·o·vi·rus·es
Any of a family of single-stranded RNA viruses including the respiratory syncytial virus, parainfluenza viruses, and viruses that cause measles and mumps.


(Pathology) any single-strand RNA virus of the Paramyxoviridae family usually causing acute respiratory disease


(ˌpær əˈmɪk səˌvaɪ rəs, -ˌmɪk səˈvaɪ-)

n., pl. -rus•es.
any of various RNA-containing viruses of the family Paramyxoviridae, distinguished by a helical nucleocapsid surrounded by an envelope: includes viruses causing measles and mumps.
Also called myxovirus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.paramyxovirus - a group of viruses including those causing mumps and measles
myxovirus - any of a group of RNA viruses including those that cause influenza and mumps
respiratory syncytial virus - a paramyxovirus that forms syncytia in tissue culture and that is responsible for severe respiratory diseases such as bronchiolitis and bronchial pneumonia (especially in children)
References in periodicals archive ?
Newcastle disease and other avain paramyxoviridae infections.