paramyxovirus(redirected from avian p's)
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A subgroup of myxoviruses that includes the viruses of mumps, measles, parainfluenza, respiratory syncytial (RS) disease, and Newcastle disease. Like influenza viruses, the paramyxoviruses are ribonucleic acid (RNA)-containing viruses and possess an ether-sensitive lipoprotein envelope. See Animal virus, Measles, Mumps