Pre-existing Immunity to Dengue and West Nile Viruses May Cause Increased Risk in Zika-Infected (VIDEO)

The Mount Sinai Hospital / Mount Sinai School of Medicine

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As the Zika virus continues to spread rapidly across the globe, it might pose a particular risk to people previously infected with two related viruses, dengue and West Nile, researchers at the Icahn School of Medicine at Mount Sinai have found. Their study, published in the journal Science, may help explain the severe manifestations of Zika virus infection observed in specific populations, including those in South America.

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Mount Sinai Health System

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