期刊
JOURNAL OF CLINICAL VIROLOGY
卷 43, 期 1, 页码 96-101出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcv.2008.05.005
关键词
Zika virus; detection; diagnosis; RT-PCR
类别
Background: Zika virus (ZIKV) is an emerging mosquito-borne flavivirus circulating in Asia and Africa. Human infection induces an influenza-like syndrome that is associated with retro-orbital pain, oedema, lymphadenopathy, or diarrhea. Diagnosis of Zika fever requires virus isolation and serology, which are time consuming or cross-reactive. Objective: To develop a one-step RT-PCR assay to detect ZIKV in human serum. Study design: An assay targeting the envelope protein coding region was designed and evaluated for its specificity, detection limit, repeatability, and capacity to detect ZIKV isolates collected over a 40-year period from various African countries and hosts. Results: The assay's detection limit and repeatability were respectively 7.7 pfu/reaction and 100% in serum and L-15 medium; none of 19 other flaviviruses tested were detected. Conclusions: The assay is rapid, sensitive, and specific to detect ZIKV in cell culture or serum, but needs to be validated for diagnosis using clinical samples. (C) 2008 Elsevier B.V. All rights reserved.
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