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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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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Mosquito larvae fill the cup of stale water that entomologist Luis Hernandez dips from a stack of old tires in a suburb of San Juan, Puerto Rico. Greg Allen/NPR hide caption

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Puerto Rico Races To Stop Zika's Mosquitoes Before Rains Begin
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Researcher Beatriz Parra Patino (right) prepares to test the blood and urine of patients with Guillain-Barre syndrome to see if they had Zika virus as well. She's been working seven days a week, up to 14 hours a day, to test samples as quickly as possible. Becky Sullivan/NPR hide caption

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The Answer To A Zika Mystery Could Lie In Test Tubes In Colombia
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Previous experience with dengue outbreaks in Puerto Rico has shown that even small amounts of standing water — as in the vases of cemeteries — can serve as breeding areas for the mosquitoes that carry dengue and Zika. Pan American Health Organization/Flickr hide caption

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With CDC Help, Puerto Rico Aims To Get Ahead Of Zika
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Why Scientists Hope To Inject Some People With Zika Virus
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A patient suffering from Guillain-Barre syndrome recovers in a hospital ward in San Salvador on Jan. 27. Researchers are trying to determine whether there is a link between the disorder, which can cause weakness and paralysis, and the mosquito-borne Zika virus. Marvin Recinos /AFP/Getty Images hide caption

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CDC Sees Major Challenges Ahead In The Fight Against Zika
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Are The Vaccine Court's Requirements Too Strict?
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Vaccine Court Aims To Protect Patients And Vaccines
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