Doctors say babies born without microcephaly to Zika-infectedmoms may still suffer other problems later on. Doctors say evenif babies infected with the Zika virus in the womb are bornwith normal-size heads, they could still suffer unknownsymptoms down the road. Dr. Jon LaPook goes to Puerto Rico,where thousands of pregnant women were infected with Zika, andinto the labs of the National Institutes of Health where a Zikavaccine is being developed.
