A Florida Department of Health employee processes a urine sample to test for the Zika virus on Sept. 14 in Miami Beach. Lynne Sladky/AP hide caption

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Reporter's Notebook: Pregnant And Caught In Zika Test Limbo

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Chinashama Sainvilus is one of three babies born with microcephaly at the Mirebalais Hospital in Haiti in July. Jason Beaubien/NPR hide caption

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Doctors Fear Zika Is A Sleeping Giant In Haiti

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Twin girls born with extremely small heads, shrunken spinal cords and extra folds of skin around the skull. Scientists think this skin forms when the skull collapses onto itself after the brain —€” but not the skull —€” stops growing. The images of the girls' heads were constructed on the computer using CT scans taken shortly after birth. The girls were infected with Zika at 9 weeks gestation. Courtesy of the Radiological Society of North America hide caption

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Containers hold genetically modified Aedes aegypti mosquitoes before being released in Panama City, Panama, in September 2014. Arnulfo Franco/AP hide caption

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Florida Keys Opposition Stalls Tests Of Genetically Altered Mosquitoes

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A health department pickup truck sprays insecticide against mosquitoes in a San Juan, Puerto Rico, neighborhood in January. Alvin Baez/Reuters hide caption

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Zika Cases Surge In Puerto Rico As Mosquitoes Flourish

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The Centers for Disease Control and Prevention is updating its guidelines on preventing transmission of Zika virus via sexual activity. Stephanie Lynn/Flickr Flash/Getty Images hide caption

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Mosquitoes in traps are transported back to the county's laboratory for analysis. Carrie Feibel/Houston Public Media hide caption

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Mosquito Hunters Set Traps Across Houston, Search for Signs of Zika

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Aedes aegypti mosquito photographed through a microscope. Felipe Dana/AP hide caption

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CDC: 157 Pregnant Women In The U.S. Have Tested Positive For Zika

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A mosquito control inspector sprinkles larvicide in a storm drain in Miami Gardens, Fla., in an effort to stop the spread of Zika virus. Joe Raedle/Getty Images hide caption

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Health Departments Cut Programs While Awaiting Zika Funding

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In some parts of the country, this might require bug spray. Steven Errico/Getty Images hide caption

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Who Should Be Worried About Zika And What Should They Do?

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Kelli Glenn holds a photo of her father while he was in the hospital. Meredith Rizzo/NPR hide caption

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Suddenly Paralyzed, 2 Men Struggle To Recover From Guillain-Barre

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Angelica Pereira feeds her daughter Luiza, who was born with microcephaly, at her mother's house in Santa Cruz do Capibaribe, Brazil. Felipe Dana/AP hide caption

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Zika Virus Can Cause Brain Defects In Babies, CDC Confirms

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Nadja Bezerra carries her 4-month-old daughter, Alice, who was born with microcephaly, in Recife, Brazil. Dado Galdieri/Bloomberg via Getty Images hide caption

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How To Fight Zika When Your Country Is In Trouble: Improvise

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Standing water and abandoned tires make Houston's Fifth Ward hospitable for mosquitoes. Courtesy of Anna Grove Photography hide caption

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Houston Prepares Now For Zika's Potential Arrival This Summer

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A medical researcher prepares tests for various diseases including Zika. Arnulfo Franco/AP hide caption

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How Best To Test For Zika Virus?

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Mariel Mohns and Mustafa Rasheed are working in a University of Wisconsin lab that's trying to figure out how Zika virus could be damaging fetuses. Courtesy of Kristi L. Hall hide caption

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Scientists Report In Real Time On Challenging Zika Research

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A woman who is six months pregnant shows a photo of her ultrasound at the IMIP hospital in Recife, Pernambuco state, Brazil, on Wednesday. Scientists are trying to figure out how Zika virus may be affecting fetuses. Felipe Dana/AP hide caption

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Study Finds Multiple Problems In Fetuses Exposed To Zika Virus

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The mosquito Aedes aegypti is a spreader of Zika virus. Jeffrey Arguedas/EPA hide caption

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New Study Makes The Case For A Zika Virus Link To Guillain-Barre

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Lindomar Pena, a virologist at a lab in Recife, Brazil, holds a box of vials used to store samples of the Zika virus in huge freezers. Catherine Osborn/For NPR hide caption

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Reporting On The Zika Virus Means Getting Up Close And Personal

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