Zika virus (ZIKV) has caused outbreaks in the Pacific and the Americas. The mechanism underlying the recent ZIKV epidemic remains obscure. A recent study reveals that an amino acid substitution is associated with increased infectivity of ZIKV in the Aedes aegypti mosquito.

中文翻译：

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单一替代改变蚊子中的寨卡病毒感染性

寨卡病毒（ZIKV）导致了太平洋和美洲的爆发。近期ZIKV流行的潜在机制仍然不清楚。最近的一项研究表明，氨基酸置换与埃及伊蚊的ZIKV感染力增加有关。