The association between Zika virus infection and microcephaly in Brazil 2015–2017: An observational analysis of over 4 million births
This study strengthens the evidence that congenital ZIKV infection, particularly in the first 2 trimesters of pregnancy, is associated with microcephaly and less frequently with other birth defects.
Oliver J. Brady, Aaron Osgood-Zimmerman, Nicholas J. Kassebaum, Sarah E. Ray, Valdelaine E. M. de Ara