Officials also worried by growing cases in Singapore and 'sleeping giant' in Haiti.
Authorities considering whether to advise pregnant women against travelling to the area.
Opponents fear devastating unforeseen consequences if engineered life forms are released.
Doctor warns America should 'except many similar deaths and stillbirths'.
Organisers are trucking in schoolchildren to fill out events after reports of thousands of unsold tickets.
Florida health officials say there are now 15 people in Miami who contracted the virus locally.
Mosquito control is 'not working as we would like,' warns CDC as first ever inland health warning is issued.
Probers can't find any other transmission source, pointing to troubling disease evolution in the US.
The child was born in Barcelona's Vall d'Hebron hospital and showed 'normal and stable' vital signs.
Tomas Berdych is Czech Republic's highest ranked tennis player.
New York City woman transmitted disease to partner through sex after she returned from Zika zone.
Songstress was set to headline event in a line-up that included Wiz Khalifa and Disclosure.
The 27-year-old golfer was set to represent Ireland at this summer's Games.
We can't take this health threat lightly, says basketball star Pau Gasol.
WHO experts say there is no need to cancel or postpone the Rio Olympics due to the Zika virus outbreak.
Scientist is first reported case of someone contracting the virus through a needle stick.
Obama's comments came after the number of US cases jumped from 48 to 157.
Full extent of health impact of Zika virus "more widespread and devastating" than assumed.
Players expressed concerns about contracting and potentially transmitting the Zika virus to their partners.
A leading US sperm bank has said its policies are in-line with those of blood banks.
Microcephaly is a relatively rare disease with lifelong consequences.
'It is now clear that the virus causes microcephaly,' said CDC head, Dr Frieden.