orphan virus


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Related to orphan virus: Respiratory Enteric Orphan Virus

orphan virus

[¦ȯr·fən ′vī·rəs]
(virology)
Any nonpathogenic virus found in the human digestive and respiratory tracts.
References in periodicals archive ?
One WPV case was an orphan virus, indicating less than the expected genetic linkage to other circulating viruses, and suggesting possible gaps in AFP surveillance (9).