How do you explain Zika virus infecting the placenta (which should act as a barrier to protect the unborn), which has now been proven.
http://www.foxnews.com/health/2016/08/18/study-sheds-light-on-how-zika-infects-placenta.html
Why has the numbers of microcephaly suddenly spiked? Zika has been known for 70 years and until recently it caused nothing more than a mild illness.