Microcephaly cases surge in Colombia following rise in Zika infections
![graph of zika infections and microcephaly cases](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/120916_mr_zikaticker_main_free.jpg?fit=860%2C460&ssl=1)
TIME LAG Zika infections among pregnant women (solid line and scale on left) in Colombia spiked in January (around week 4). About six months later, the country saw a drastic increase in the number of infants and fetuses with microcephaly (dotted line and scale on right).
CDC