noun Date: 1959 any of several paramyxoviruses (genera Respirovirus and Rubulavirus ) that are associated with or responsible for some respiratory infections especially in children
PARAINFLUENZA VIRUS
Meaning of PARAINFLUENZA VIRUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012