Any of a group of viruses that contain RNA and are similar to but larger and more variable in size than the related myxovirus. The paramyxoviruses include the Sendai virus, the parainfluenza viruses, and the viruses that cause measles and mumps.

• 副粘病毒一类含有rna并与相关粘病毒类似，但比之大且更富于变化的病毒中的一种，它包括仙台病毒、副流感病毒和引起麻疹和腮腺炎的病毒