enteric orphan viruses

en·ter·ic or·phan vi·rus·es

enteroviruses isolated from humans and other animals, "orphan" implying lack of known association with disease when isolated; many viruses of this group are now known to be pathogenic; they include ECBO, ECHO, and ECSO viruses.

en·ter·ic or·phan vi·rus·es

(en-ter'ik ōr'făn vī'rŭs-ĕz)
Enteroviruses isolated from humans and other animals, "orphan" implying lack of known association with disease when isolated; many viruses of the group are now known to be pathogenic; they include ECBO viruses, ECHO viruses, and ECSO viruses.