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→Introduction
==Introduction==
==Introduction==
The Paramyxoviridae have a helical nucleocapsid surrounded by an envelope comprised of host cell membrane spiked with viral glycoproteins responsible for haemagglutinin, neuraminidase and haemolytic activities. The genome of the Paramyxoviridae is single-stranded, negative-sense RNA which is used as a template for the production of messenger (positive-sense) RNA and further genomic material. Paramyxoviridae are sensitive to heat, dessication and most disinfectants, and so are not resistant in the environment. The Paramyxovididae family is divided to two sub-families, the [[Paramyxovirinae]] and the [[Pneumovirinae]]. It is within the Paramyxovirinae sub-family that [[morbilliviruses]] fall, along with respiroviruses, henipaviruses, rubulaviruses and avulaviruses. As well as [[Canine Distemper VirusZcanine distemper virus (CDV)]], the morbilliviruses include [[rinderpest]], [[Peste des Petit Ruminants|peste des petits ruminants]], measles, phocine (seal) distemper and dolphin distemper.
The Paramyxoviridae have a helical nucleocapsid surrounded by an envelope comprised of host cell membrane spiked with viral glycoproteins responsible for haemagglutinin, neuraminidase and haemolytic activities. The genome of the Paramyxoviridae is single-stranded, negative-sense RNA which is used as a template for the production of messenger (positive-sense) RNA and further genomic material. Paramyxoviridae are sensitive to heat, dessication and most disinfectants, and so are not resistant in the environment. The Paramyxovididae family is divided to two sub-families, the [[Paramyxovirinae]] and the [[Pneumovirinae]]. It is within the Paramyxovirinae sub-family that [[morbilliviruses]] fall, along with respiroviruses, henipaviruses, rubulaviruses and avulaviruses. As well as [[Canine Distemper Virus|canine distemper virus (CDV)]], the morbilliviruses include [[rinderpest]], [[Peste des Petits Ruminants|peste des petits ruminants]], measles, phocine (seal) distemper and dolphin distemper.
==Morphology==
==Morphology==