Epidemiological and ecological determinants of Zika virus transmission in an urban setting.

Elife · 2017 · PMC5638629 · PMID 28887877

Europe PMC DOI

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may be significantno p-value reported

For example, there may be significant differences in the estimation of Zika attack rates in pregnant women versus the general population due to cross-reactivity of serological assays.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.