Insight - Doctors puzzle over severity of defects in some Brazilian babies

By Bill Berkrot and Anthony Boadle NEW YORK/BRASILIA (Reuters) - Experts on microcephaly, the birth defect that has sparked alarm in the current Zika virus outbreak, say they are struck by the severity of a small number of cases they have reviewed from Brazil. Consultations among doctors in Brazil and the United States have increased in the last two weeks, and some of the leading authorities on the condition are finding patterns of unusual devastation in scans of the newborns' malformed brains.