"It really is an unprecedented event," said Dr. Lyle Petersen, director of the division of vector-borne diseases at the Centers for Disease Control and Prevention. "You're dealing with children with a severe neurological disease they'll carry with them for the rest of their lives. That's a devastating outcome."
The concern is not just for babies. Zika has also been linked in Brazil to Guillain-Barre Syndrome, a neurological disorder that causes paralysis.