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Novel Poxvirus Infection in an Immune Suppressed Patient
Background. Human and animal poxvirus infections are being reported with increasing frequency. We describe a challenging case history and treatment of a previously unknown poxvirus rash illness in a renal transplant patient. Methods. A combination of classical microbiology techniques, including vira...
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Published in: | Clinical infectious diseases 2015-11, Vol.61 (10), p.1543-1548 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Background. Human and animal poxvirus infections are being reported with increasing frequency. We describe a challenging case history and treatment of a previously unknown poxvirus rash illness in a renal transplant patient. Methods. A combination of classical microbiology techniques, including viral culture and electron microscopy, were used to provide initial clinical diagnosis. Subsequent standard polymerase chain reaction assays available in 2001 were noncontributory. Next generation sequencing was used to provide definitive diagnosis. Results. Retrospectively, next generation sequencing methods were used to ultimately provide the definitive diagnosis of a novel poxvirus infection initially identified by electron microscopy. The closest relative of this poxvirus, identified in North America, is a poxvirus collected from a mosquito pool from Central Africa in 1972. Conclusions. This diagnostic quandary was ultimately solved using next generation DNA sequencing. This article describes the use of classical and next generation diagnostic strategies to identify etiologic agents of emerging infectious diseases and once again demonstrates the susceptibility of immunossupressed patients to novel pathogens. The virus identified is closely related to Yoka virus; these viruses appear to have independently diverged from a common ancestor of all known orthopoxviruses. |
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ISSN: | 1058-4838 1537-6591 |
DOI: | 10.1093/cid/civ643 |