Evidence mounted linking Zika to the birth defect microcephaly, and the United Nations health agency set a review of travel advice related to the outbreak of the virus while US officials planned strategy to control mosquitoes that spread it.

Three people dies in Venezuela from complications linked to Zika, says President Nicolas Maduro.

Over 3,100 pregnant Colombian women are infected with the mosquito-borne Zika virus, President Juan Manuel Santos says.

The government will strengthen surveillance at air, water and land ports across the country and screen travellers coming from countries affected by Zika epidemic.