Study Published in Science Shows Dengue Immunity May Reduce Risk of Zika

Previous infections with dengue virus may have protected some people in an urban slum in Brazil from getting Zika.

In a study of more than 1,400 people in the Pau da Lima area of Salvador, those with higher levels of antibodies against a particular dengue virus protein were at lower risk of contracting Zika, researchers report in the Feb. 8 Science.

“The Zika pandemic has created overall high rates of immunity to this virus in the Americas, which will be a barrier for outbreaks in coming years,” said Isabel Rodriguez-Barraquer, an assistant professor at University of California, San Francisco.

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