Pregnant woman Paola Andrea Escalante, 17, infected by the Zika virus eats lunch while being attended at the Hospital Universitario Erasmo Meoz in Cúcuta, Colombia, on February 4, 2016. Doctors say Escalante's baby is not infected with the virus. 

Pregnant woman Paola Andrea Escalante, 17, infected by the Zika virus eats lunch while being attended at the Hospital Universitario Erasmo Meoz in Cúcuta, Colombia, on February 4, 2016. Doctors say Escalante's baby is not infected with the virus. 

 Wilfrido Manuel Molinares crosses a pool of stagnant water to arrive at his home in Turbo, Colombia on February 17, 2016. Molinares' daughter, Paula Molinares, 10, is currently being treated for Guillain-Barre in Montería, a major city in Colombia. 

Wilfrido Manuel Molinares crosses a pool of stagnant water to arrive at his home in Turbo, Colombia on February 17, 2016. Molinares' daughter, Paula Molinares, 10, is currently being treated for Guillain-Barre in Montería, a major city in Colombia. 

 Kelly Yoan, 15, is attended at Hospital Francisco Valderrama for the Zika virus in Turbo, Colombia on February 16, 2016. (

Kelly Yoan, 15, is attended at Hospital Francisco Valderrama for the Zika virus in Turbo, Colombia on February 16, 2016. (

 Lilliana Zuñiga Ayarza sits at her home with daughter Isabella Murillo remembering her mother Bellarmina Ayarza Garcia who is one of three recent deaths tied to Guillain-Barre in Colombia on February 16, 2016. 

Lilliana Zuñiga Ayarza sits at her home with daughter Isabella Murillo remembering her mother Bellarmina Ayarza Garcia who is one of three recent deaths tied to Guillain-Barre in Colombia on February 16, 2016. 

 Hospital Francisco Valderrama in Turbo has seen five patients with Guillain-Barre in the last two months in Colombia on February 16, 2016.

Hospital Francisco Valderrama in Turbo has seen five patients with Guillain-Barre in the last two months in Colombia on February 16, 2016.

 Jose Molinares Cruz stands at the door of his bedroom in Turbo which he shares with sister, Paula Molinares, 10, who is currently being treated for Guillain-Barre in Montería, Colombia on February 17, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

Jose Molinares Cruz stands at the door of his bedroom in Turbo which he shares with sister, Paula Molinares, 10, who is currently being treated for Guillain-Barre in Montería, Colombia on February 17, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

 A trash dump is pictured near a main road in El Diviso, Colombia on February 6, 2016. Health experts believe that the poor are more vulnerable to being infected by the Zika virus because they often lack an environment that diminishes the risk of being infected. 

A trash dump is pictured near a main road in El Diviso, Colombia on February 6, 2016. Health experts believe that the poor are more vulnerable to being infected by the Zika virus because they often lack an environment that diminishes the risk of being infected. 

 Grecia Quintero stands for a portrait inside a mosquito net in her home on Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Quintero was diagnosed with Zika, but has since been cleared from its symptoms.

Grecia Quintero stands for a portrait inside a mosquito net in her home on Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Quintero was diagnosed with Zika, but has since been cleared from its symptoms.

 Colombian Vice-Minister of Public Health Fernando Ruíz Gómez speaks at a press conference about the Zika virus on February 4, 2016, at the Casablanca Hotel in Cúcuta, Colombia.  He said that the Zika virus has now affected over 20,000 people in the country and just over 2,000 pregnant women are being monitored to determine any neurological anomalies like in Brazil. 

Colombian Vice-Minister of Public Health Fernando Ruíz Gómez speaks at a press conference about the Zika virus on February 4, 2016, at the Casablanca Hotel in Cúcuta, Colombia.  He said that the Zika virus has now affected over 20,000 people in the country and just over 2,000 pregnant women are being monitored to determine any neurological anomalies like in Brazil. 

 Water floods the roadway entering Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Health experts believe stagnant water is the ideal breeding ground for the Zika virus carrying mosquito. 

Water floods the roadway entering Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Health experts believe stagnant water is the ideal breeding ground for the Zika virus carrying mosquito. 

 Katerina Lemus Uribe shows a photograph of her cousin, Eliana Uribe Leon shortly before she died from Guillain-Barre after being infected with the Zika virus in Turbo, Colombia on February 16, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

Katerina Lemus Uribe shows a photograph of her cousin, Eliana Uribe Leon shortly before she died from Guillain-Barre after being infected with the Zika virus in Turbo, Colombia on February 16, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

 Elizabeth Zambrano, 65, cries while speaking of her husband, Luis Andres Molina who is being treated for Guillain–Barré syndrome at Hospital Universitario Erasmo Meoz on February 5, 2016 in Cúcuta, Colombia. Researchers are looking into possible links between Guillain–Barré syndrome and the Zika virus. 

Elizabeth Zambrano, 65, cries while speaking of her husband, Luis Andres Molina who is being treated for Guillain–Barré syndrome at Hospital Universitario Erasmo Meoz on February 5, 2016 in Cúcuta, Colombia. Researchers are looking into possible links between Guillain–Barré syndrome and the Zika virus. 

 Darley Martinez Cabarcas, 17, stands for a portrait at Fundación Juan Felipe Gómez Escobar where she receives regular checkups for her pregnancy in Cartagena, Colombia on February 19, 2016. Carbarcas, who is eight months pregnant, was diagnosed with the Zika virus at five months. 

Darley Martinez Cabarcas, 17, stands for a portrait at Fundación Juan Felipe Gómez Escobar where she receives regular checkups for her pregnancy in Cartagena, Colombia on February 19, 2016. Carbarcas, who is eight months pregnant, was diagnosed with the Zika virus at five months. 

 Alma Leon cries in her home in Turbo remembering her daughter, Eliana Uribe Leon, who recently died from Guillain-Barre in Colombia on February 17, 2016. Eliana is one of three Guillain-Barre related deaths in Colombia. 

Alma Leon cries in her home in Turbo remembering her daughter, Eliana Uribe Leon, who recently died from Guillain-Barre in Colombia on February 17, 2016. Eliana is one of three Guillain-Barre related deaths in Colombia. 

 David Ramirez, 20, waits with his girlfriend, Adrianna Alvarez, 18, for a check-up at Hospital E.S.E. Jorge Cristo Sahium in Villa del Rosario, Colombia, on February 6, 2016. Alvarez was diagnosed with Zika one month ago, was cleared of symptoms, but has recently started to feel ill again. 

David Ramirez, 20, waits with his girlfriend, Adrianna Alvarez, 18, for a check-up at Hospital E.S.E. Jorge Cristo Sahium in Villa del Rosario, Colombia, on February 6, 2016. Alvarez was diagnosed with Zika one month ago, was cleared of symptoms, but has recently started to feel ill again. 

 Zenit Padilla Cervantes, Director of Francisco Luis Valderrama school, said her brother was diagnosed with Guillain-Barre shortly after falling sick with the Zika virus and died at the beginning of the month in Turbo, Colombia on February 17, 2016 in Turbo, Colombia. He is one of three Guillain-Barre deaths in the country. 

Zenit Padilla Cervantes, Director of Francisco Luis Valderrama school, said her brother was diagnosed with Guillain-Barre shortly after falling sick with the Zika virus and died at the beginning of the month in Turbo, Colombia on February 17, 2016 in Turbo, Colombia. He is one of three Guillain-Barre deaths in the country. 

 Ana Jhoana Acevedo's, 17, fiancé Damian Ferreira, 22, visits her at home after he is off from work in Cartagena, Colombia on February 25, 2016. Now seven-months pregnant, Ana was diagnosed with the Zika virus at four months. She hopes that her baby is unaffected. 

Ana Jhoana Acevedo's, 17, fiancé Damian Ferreira, 22, visits her at home after he is off from work in Cartagena, Colombia on February 25, 2016. Now seven-months pregnant, Ana was diagnosed with the Zika virus at four months. She hopes that her baby is unaffected. 

 Pregnant woman Paola Andrea Escalante, 17, infected by the Zika virus eats lunch while being attended at the Hospital Universitario Erasmo Meoz in Cúcuta, Colombia, on February 4, 2016. Doctors say Escalante's baby is not infected with the virus. 
 Wilfrido Manuel Molinares crosses a pool of stagnant water to arrive at his home in Turbo, Colombia on February 17, 2016. Molinares' daughter, Paula Molinares, 10, is currently being treated for Guillain-Barre in Montería, a major city in Colombia. 
 Kelly Yoan, 15, is attended at Hospital Francisco Valderrama for the Zika virus in Turbo, Colombia on February 16, 2016. (
 Lilliana Zuñiga Ayarza sits at her home with daughter Isabella Murillo remembering her mother Bellarmina Ayarza Garcia who is one of three recent deaths tied to Guillain-Barre in Colombia on February 16, 2016. 
 Hospital Francisco Valderrama in Turbo has seen five patients with Guillain-Barre in the last two months in Colombia on February 16, 2016.
 Jose Molinares Cruz stands at the door of his bedroom in Turbo which he shares with sister, Paula Molinares, 10, who is currently being treated for Guillain-Barre in Montería, Colombia on February 17, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 
 A trash dump is pictured near a main road in El Diviso, Colombia on February 6, 2016. Health experts believe that the poor are more vulnerable to being infected by the Zika virus because they often lack an environment that diminishes the risk of being infected. 
 Grecia Quintero stands for a portrait inside a mosquito net in her home on Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Quintero was diagnosed with Zika, but has since been cleared from its symptoms.
 Colombian Vice-Minister of Public Health Fernando Ruíz Gómez speaks at a press conference about the Zika virus on February 4, 2016, at the Casablanca Hotel in Cúcuta, Colombia.  He said that the Zika virus has now affected over 20,000 people in the country and just over 2,000 pregnant women are being monitored to determine any neurological anomalies like in Brazil. 
 Water floods the roadway entering Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Health experts believe stagnant water is the ideal breeding ground for the Zika virus carrying mosquito. 
 Katerina Lemus Uribe shows a photograph of her cousin, Eliana Uribe Leon shortly before she died from Guillain-Barre after being infected with the Zika virus in Turbo, Colombia on February 16, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 
 Elizabeth Zambrano, 65, cries while speaking of her husband, Luis Andres Molina who is being treated for Guillain–Barré syndrome at Hospital Universitario Erasmo Meoz on February 5, 2016 in Cúcuta, Colombia. Researchers are looking into possible links between Guillain–Barré syndrome and the Zika virus. 
 Darley Martinez Cabarcas, 17, stands for a portrait at Fundación Juan Felipe Gómez Escobar where she receives regular checkups for her pregnancy in Cartagena, Colombia on February 19, 2016. Carbarcas, who is eight months pregnant, was diagnosed with the Zika virus at five months. 
 Alma Leon cries in her home in Turbo remembering her daughter, Eliana Uribe Leon, who recently died from Guillain-Barre in Colombia on February 17, 2016. Eliana is one of three Guillain-Barre related deaths in Colombia. 
 David Ramirez, 20, waits with his girlfriend, Adrianna Alvarez, 18, for a check-up at Hospital E.S.E. Jorge Cristo Sahium in Villa del Rosario, Colombia, on February 6, 2016. Alvarez was diagnosed with Zika one month ago, was cleared of symptoms, but has recently started to feel ill again. 
 Zenit Padilla Cervantes, Director of Francisco Luis Valderrama school, said her brother was diagnosed with Guillain-Barre shortly after falling sick with the Zika virus and died at the beginning of the month in Turbo, Colombia on February 17, 2016 in Turbo, Colombia. He is one of three Guillain-Barre deaths in the country. 
 Ana Jhoana Acevedo's, 17, fiancé Damian Ferreira, 22, visits her at home after he is off from work in Cartagena, Colombia on February 25, 2016. Now seven-months pregnant, Ana was diagnosed with the Zika virus at four months. She hopes that her baby is unaffected. 

Pregnant woman Paola Andrea Escalante, 17, infected by the Zika virus eats lunch while being attended at the Hospital Universitario Erasmo Meoz in Cúcuta, Colombia, on February 4, 2016. Doctors say Escalante's baby is not infected with the virus. 

Wilfrido Manuel Molinares crosses a pool of stagnant water to arrive at his home in Turbo, Colombia on February 17, 2016. Molinares' daughter, Paula Molinares, 10, is currently being treated for Guillain-Barre in Montería, a major city in Colombia. 

Kelly Yoan, 15, is attended at Hospital Francisco Valderrama for the Zika virus in Turbo, Colombia on February 16, 2016. (

Lilliana Zuñiga Ayarza sits at her home with daughter Isabella Murillo remembering her mother Bellarmina Ayarza Garcia who is one of three recent deaths tied to Guillain-Barre in Colombia on February 16, 2016. 

Hospital Francisco Valderrama in Turbo has seen five patients with Guillain-Barre in the last two months in Colombia on February 16, 2016.

Jose Molinares Cruz stands at the door of his bedroom in Turbo which he shares with sister, Paula Molinares, 10, who is currently being treated for Guillain-Barre in Montería, Colombia on February 17, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

A trash dump is pictured near a main road in El Diviso, Colombia on February 6, 2016. Health experts believe that the poor are more vulnerable to being infected by the Zika virus because they often lack an environment that diminishes the risk of being infected. 

Grecia Quintero stands for a portrait inside a mosquito net in her home on Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Quintero was diagnosed with Zika, but has since been cleared from its symptoms.

Colombian Vice-Minister of Public Health Fernando Ruíz Gómez speaks at a press conference about the Zika virus on February 4, 2016, at the Casablanca Hotel in Cúcuta, Colombia.  He said that the Zika virus has now affected over 20,000 people in the country and just over 2,000 pregnant women are being monitored to determine any neurological anomalies like in Brazil. 

Water floods the roadway entering Primera Avenida 1E, a street in Los Patios, Colombia on February 6, 2016. Health experts believe stagnant water is the ideal breeding ground for the Zika virus carrying mosquito. 

Katerina Lemus Uribe shows a photograph of her cousin, Eliana Uribe Leon shortly before she died from Guillain-Barre after being infected with the Zika virus in Turbo, Colombia on February 16, 2016. Fears of the Zika virus that is spreading across the Americas have been linked to birth defects, but health experts believe the sudden rise in Guillain-Barre cases may also be connected. 

Elizabeth Zambrano, 65, cries while speaking of her husband, Luis Andres Molina who is being treated for Guillain–Barré syndrome at Hospital Universitario Erasmo Meoz on February 5, 2016 in Cúcuta, Colombia. Researchers are looking into possible links between Guillain–Barré syndrome and the Zika virus. 

Darley Martinez Cabarcas, 17, stands for a portrait at Fundación Juan Felipe Gómez Escobar where she receives regular checkups for her pregnancy in Cartagena, Colombia on February 19, 2016. Carbarcas, who is eight months pregnant, was diagnosed with the Zika virus at five months. 

Alma Leon cries in her home in Turbo remembering her daughter, Eliana Uribe Leon, who recently died from Guillain-Barre in Colombia on February 17, 2016. Eliana is one of three Guillain-Barre related deaths in Colombia. 

David Ramirez, 20, waits with his girlfriend, Adrianna Alvarez, 18, for a check-up at Hospital E.S.E. Jorge Cristo Sahium in Villa del Rosario, Colombia, on February 6, 2016. Alvarez was diagnosed with Zika one month ago, was cleared of symptoms, but has recently started to feel ill again. 

Zenit Padilla Cervantes, Director of Francisco Luis Valderrama school, said her brother was diagnosed with Guillain-Barre shortly after falling sick with the Zika virus and died at the beginning of the month in Turbo, Colombia on February 17, 2016 in Turbo, Colombia. He is one of three Guillain-Barre deaths in the country. 

Ana Jhoana Acevedo's, 17, fiancé Damian Ferreira, 22, visits her at home after he is off from work in Cartagena, Colombia on February 25, 2016. Now seven-months pregnant, Ana was diagnosed with the Zika virus at four months. She hopes that her baby is unaffected. 

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