| 单词 | orphan virus |
| 释义 | > as lemmasorphan virus orphan virus n. Medicine a virus that is not known to cause disease. ΚΠ 1954 J. L. Melnick in Amer. Jrnl. Public Health 44 572/1 The detection of new viruses, provisionally called ‘orphan viruses’ (as we know so little to what diseases they belong) from patients suspected of having nonparalytic poliomyelitis. 1955 Science 16 Dec. 1188/1 These viruses—some of which have been referred to in previous literature as ‘orphan viruses’ and others as ‘human enteric viruses’—are now classified as the ‘enteric cytopathogenic human orphan (ECHO) group’. 1961 P. L. Carpenter Microbiology ix. 110 A considerable number of viruses recently isolated from the feces of healthy as well as ill individuals are not known to produce disease... These viruses..are called orphan viruses, and those isolated from humans are known as ECHO viruses. 2002 Arch. Virol. 147 447 The original frog virus isolates (e.g., frog viruses 1-3) would likely have been considered orphan viruses since they were isolated from apparently healthy frogs. < as lemmas |
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