Renata Cristina da Costa, left, spreads repellent on her daughter Tamires da Costa, 16, who's four months pregnant, at their home in the Parque Sao Bento a shantytown of Rio de Janeiro, Brazil, Friday, Jan. 29, 2016. Thanks to Aedes aegypti modquito, the Zika virus quickly spread across Brazil and to more than 30 countries and territories in the region. (AP Photo/Leo Correa)
Renata Cristina da Costa, left, spreads repellent on her daughter Tamires da Costa, 16, who's four months pregnant, at their home in the Parque Sao Bento a shantytown of Rio de Janeiro, Brazil, Friday, Jan. 29, 2016. Thanks to Aedes aegypti modquito, the Zika virus quickly spread across Brazil and to more than 30 countries and territories in the region. (AP Photo/Leo Correa) Leo Correa AP
Renata Cristina da Costa, left, spreads repellent on her daughter Tamires da Costa, 16, who's four months pregnant, at their home in the Parque Sao Bento a shantytown of Rio de Janeiro, Brazil, Friday, Jan. 29, 2016. Thanks to Aedes aegypti modquito, the Zika virus quickly spread across Brazil and to more than 30 countries and territories in the region. (AP Photo/Leo Correa) Leo Correa AP

Health officials warn of potential Zika outbreak in Florida

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