One-step RT-PCR for detection of Zika virus - PubMed (original) (raw)
One-step RT-PCR for detection of Zika virus
Oumar Faye et al. J Clin Virol. 2008 Sep.
Abstract
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 7.7pfu/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.
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