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首页> 外文期刊>Emerging Infectious Diseases >Genomic Epidemiology of 2015–2016 Zika Virus Outbreak in Cape Verde
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Genomic Epidemiology of 2015–2016 Zika Virus Outbreak in Cape Verde

机译:2015-2016 Zika病毒爆发的基因组流行病学佛得角爆发

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During 2015-2016, Cape Verde, an island nation off the coast of West Africa, experienced a Zika virus (ZIKV) outbreak involving 7,580 suspected Zika cases and 18 microcephaly cases. Analysis of the complete genomes of 3 ZIKV isolates from the outbreak indicated the strain was of the Asian (not African) lineage. The Cape Verde ZIKV sequences formed a distinct monophylogenetic group and possessed 1-2 (T659A, I756V) unique amino acid changes in the envelope protein. Phylogeographic and serologic evidence support earlier introduction of this lineage into Cape Verde, possibly from northeast Brazil, between June 2014 and August 2015, suggesting cryptic circulation of the virus before the initial wave of cases were detected in October 2015. These findings underscore the utility of genomic-scale epidemiology for outbreak investigations.
机译:2015 - 2016年,西非海岸的岛屿佛得角佛得角经历了Zika病毒(Zikv)爆发,涉及7,580个疑似Zika病例和18例微叉病例。分析来自爆发的3个Zikv分离物的完整基因组表明,菌株是亚洲(非非洲)谱系的血统。 verde Zikv序列形成了一个不同的单胞遗传学基团,并具有1-2(T659a,i756V)的封套蛋白的独特氨基酸变化。 Phylogeach和血清学证据支持早期将这种血统引入Cape Verde,可能来自巴西东北部,2015年6月至2015年之间,建议在2015年10月检测到初始案件的初始疾病之前对病毒的循环循环。这些发现强调了该研究的效用爆发调查基因组级流行病学。

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