parainfluenza
(noun)
noun
1. Any of a group of single-stranded RNA viruses belonging to the family Paramyxoviridae, which are the second most common cause of lower respiratory tract infection in younger children.
(noun)
1. Any of a group of single-stranded RNA viruses belonging to the family Paramyxoviridae, which are the second most common cause of lower respiratory tract infection in younger children.