Canadian Medical Guide > Organisms > Viruses > RNA Viruses > Nidovirales Terms and Definitions

Nidovirales

Medical Definition:	An order comprising two families of eukaryotic viruses possessing linear, nonsegmented, positive sense RNA genomes. The families are CORONAVIRIDAE and ARTERIVIRIDAE.
Guide Notes:	infection: coord IM with RNA VIRUS INFECTIONS (IM)

Nidovirales Categories.

	Arteriviridae - A family of viruses, of the order NIDOVIRALES, containing spherical virions. In contrast to CORONAVIRIDAE, no protruding spikes are obvious on the surface.
	Coronaviridae - Spherical RNA viruses, in the order NIDOVIRALES, infecting a wide range of animals including humans. Transmission is by fecal-oral and respiratory routes. Mechanical transmission is also common. There are two genera: CORONAVIRUS and TOROVIRUS.

Nidovirales Medical Definitions and Terms

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