In what has been called an unprecedented association, Zika virus does cause microcephaly and other severe fetal brain defects, according to the Centers for Disease Control and Prevention (CDC) (N Engl J Med 2016 Apr 14. [Epub ahead of print]).
“Never before in history has there been a situation where a bite from a mosquito could cause a devastating [fetal] malformation,” said CDC Director Tom Frieden, MD, MPH, during a press briefing announcing the