| Paramyxoviridae | <virology> Class V viruses of vertebrates. The genome consists of a single negative strand of RNA as one piece. The helical nucleocapsid has a virus specific RNA polymerase (transcriptase) associated with it. They are enveloped viruses: main members are Newcastle disease virus, measles virus and the parainfluenza viruses. (18 Nov 1997) |
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| paramyxoviridae infections | Infections with viruses of the family paramyxoviridae. This includes morbillivirus infections, paramyxovirus infections, pneumovirus infections, and rubulavirus infections. (12 Dec 1998) |