CDC Reminds Pregnant Women That Zika Is Still An Active Threat

In an end-of-year interview with the health and medicine publication STAT, CDC Director Tom Frieden said he's concerned that people mistakenly think the worst of Zika is over, and that it's no longer a threat.

Here & Now's Meghna Chakrabarti gets a Zika update from Helen Branswell (@HelenBranswell), who covers infectious diseases and public health for STAT.