Canadian Medical Guide > Organisms > Viruses > DNA Viruses > Poxviridae > Chordopoxvirinae > Orthopoxvirus Terms and Definitions

Orthopoxvirus

Medical Definition:	A genus of the family POXVIRIDAE, subfamily CHORDOPOXVIRNINAE, comprising many species infecting mammals. Viruses of this genus cause generalized infections and a rash in some hosts. The type species is VACCINIA VIRUS.
Guide Notes:	a genus of the subfamily Chordopoxvirinae; infection: coord IM with POXVIRIDAE INFECTIONS (IM)
Previously Indexed:	Poxviridae (1977-1993)

Orthopoxvirus Categories.

	Cowpox virus - A species of ORTHOPOXVIRUS that is the etiologic agent of COWPOX. It is closely related to but antigenically different from VACCINA VIRUS.
	Ectromelia virus - A species of ORTHOPOXVIRUS infecting mice and causing a disease that involves internal organs and produces characteristic skin lesions.
	Monkeypox virus - A species of ORTHOPOXVIRUS causing an epidemic disease among captive primates.
	Vaccinia virus - The type species of ORTHOPOXVIRUS, related to COWPOX VIRUS, but whose true origin is unknown. It has been used as a live vaccine against smallpox. It is also used as a vector for inserting foreign DNA into animals. Rabbitpox virus is a subspecies of VACCINIA VIRUS.
	Variola virus - A species of ORTHOPOXVIRUS causing infections in humans. No infections have been reported since 1977 and the virus is now believed to be virtually extinct.

Orthopoxvirus Medical Definitions and Terms

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