As Zika Babies Become Toddlers, Some Can’t See, Walk or Talk -- The New York Times

They are 2 years old, but developmentally they are 6 months old. The children most severely affected by Zika face a lifetime of care, new research shows. ...
https://www.nytimes.com/2017/12/14/health/zika-babies-brazil.html?_r=0