WHO to consider declaring international emergency over Zika
Video duration: 3:01Expires: 02/27/16
The World Health Organization offered a powerful new warning about the rapid spread of the Zika virus, which apparently causes birth defects such as microcephaly and neurological problems. Officials estimate that there could be 3 to 4 million cases in the Americas over the next year alone. In some countries, officials have urged women to avoid getting pregnant. Judy Woodruff reports.