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Prior dengue infection does not increase Zika disease severity

Publicado em 17 julho 2017

Individuals infected with Zika virus after having dengue fever do not appear to become more severely ill than people with Zika who have never had dengue. This is the conclusion of a study published on June 20 in the journal Clinical Infectious Diseases. The study involved 65 people who live in and around São José do Rio Preto (São Paulo State, Brazil), where dengue is endemic and there was a particularly rapid outbreak of Zika during the 2016 epidemic. The study is the first to show that prior dengue infection in human beings infected by Zika does not necessarily lead to a worse illness. Previous research using only cells and rodents suggested prior dengue infection would intensify Zika dise..

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