Posted in Uncategorized Human parainfluenza viruses – Wikipedia June 24, 2025 Human parainfluenza viruses (HPIVs) are the viruses that cause human parainfluenza. HPIVs are a paraphyletic group of four distinct single-stranded RNA viruses belonging to the Paramyxoviridae family. https://en.wikipedia.org/wiki/Human_parainfluenza_viruses