First description of 2015 Zika virus outbreak in Rio de Janiero

Since the recent link to severe neurological defects in infants born to mothers infected during pregnancy, Zika virus (ZIKV) has become a public health and research priority. A new study reports details from the 2015 Zika outbreak in Rio de Janeiro — the first with a high proportion of cases confirmed by molecular diagnosis–and proposes changes to the current diagnostic criteria for ZIKV disease.