Definition for Paramyxovirus
From Biology Forums Dictionary
Paramyxoviruses are an important class of viruses which are associated with respiratory ailments, and common childhood diseases such as measles and mumps. Paramyxoviruses are a significant cause of morbidity and mortality globally, especially in children and the elderly.
Morphology
Paramyxoviruses encode negative-sense, single-stranded, monopartite RNA. They are enveloped and contain a helical nucleocapsid. They appear pleomorphic or spherical in electron micrographs.