Main Entry: para·in·flu·en·za virus

Pronunciation: \ˈpar-ə-ˌin-flü-ˌen-zə-\

Function: noun

: any of several single-stranded RNA viruses (genera Respirovirus and Rubulavirus) of the family Paramyxoviridae that are associated with or responsible for some respiratory infections especially in children—called also parainfluenza