An orphan virus is a virus that is not associated with a disease but may possess pathogenicity.[1]
Some orphan viruses include adeno-associated virus (Parvoviridae), human herpesvirus 7 (Herpesviridae), human foamy virus (Retroviridae), Human Reovirus (Reoviridae), hepatitis G (Flaviviridae), and TT virus (Anelloviridae).[citation needed]
Gilbert Dalldorf, a pathologist who showed that Coxsackie viruses paralyze mice but not humans, indicated that the term ‘orphan’ was created "in a moment of conviviality" by a group of virologists.[2]
Many enteroviruses are referred to as ECHO, enteric cytopathic human orphan viruses, because they were originally not associated with any disease. Even though many of them are associated with severe diseases, the name ECHO still continues to be used.[citation needed]
^Li L, Delwart E. From orphan virus to pathogen: the path to the clinical lab. Current Opin Virol. 2011 Oct;1(4):282-8. doi: 10.1016/j.coviro.2011.07.006.
^Mortimer, Philip P. "Orphan Viruses, Orphan Diseases: Still the Raw Material for Virus Discovery." Reviews in Medical Virology 23.6 (2013): 337-39. Web.
An orphanvirus is a virus that is not associated with a disease but may possess pathogenicity. Some orphanviruses include adeno-associated virus (Parvoviridae)...
group of viruses associated with enteric disease in humans. The name is derived from "enteric cytopathic human orphanvirus". These viruses were originally...
with GB virus C. It is an "orphanvirus" with no causal links to any human disease. Uchida, T. (1993). "Genetic Variations of the Hepatitis B Virus and Their...
acronym for "respiratory enteric orphan" viruses. The term "orphanvirus" refers to the fact that some of these viruses have been observed not associated...
(June 1998). "HGV: the identification, biology and prevalence of an orphanvirus". Liver. 18 (3): 143–55. doi:10.1111/j.1600-0676.1998.tb00142.x. PMID 9716223...
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picornavirus of the genus Enterovirus. The virus may also be referred to as enteric cytopathic bovine orphanvirus (ECBO). It is endemic in cattle populations...
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is more serious than before. orphanvirus paleovirology parasite passaging See serial passage. passenger virus A virus that is frequently found in samples...
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patents pending worldwide. Reovirus, an acronym for Respiratory Enteric Orphanvirus, generally infects mammalian respiratory and bowel systems. Most people...
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