The next steps on Zika : Nature News & Comment

Nature News & Comment

 The World Health Organization this week declared that clusters of birth defects suspected of being linked to an epidemic of Zika virus in the Americas constituted a “public health emergency of international concern”. Beyond the practical imperative to better control the mosquitoes that spread Zika and other diseases, the most urgent priority on the ground is research to answer basic, but crucial, questions, including whether the birth defects are caused by the virus, and if so, how frequently......