WHO calls Zika talks as Austrailan experts warn of virus' spread

The World Health Organisation will hold an emergency meeting on what it calls the "explosive" spread of Zika virus, warning it could infect four million people worldwide. Experts say it is not impossible the Zika virus could spread to Australia. Pregnant women especially are being warned to reconsider their travel plans to affected countries. Yin Wu reports

Health authorities fear the Zika virus could spread rapidly AAP