Zika and the Risk of Microcephaly
Authors
Michael Johansson•Luis Mier-y-Terán-Romero•Susan Hills
Journal
New England Journal of Medicine
Published
May 25, 2016
Abstract
An analysis of data from Brazil reveals a strong association between the risk of microcephaly in a newborn and the risk of Zika virus infection during the mother's first trimester of pregnancy. The association in the second and third trimesters was negligible.