Baby in Brazil with microcephaly
Media playback is unsupported on your device
Video

Zika virus 'behind many neurological conditions'

Scientists in Brazil say the Zika virus may be more dangerous than previously thought.

Experts have told the BBC that Zika could be behind many other damaging neurological conditions, affecting one in five pregnant women who contract it.

Wyre Davies reports from Rio.

Go to next video: Zika causes birth defects, experts confirm