Dutch Foreign Minister Bert Koenders (center) speaks with Luxembourg Foreign Minister Jean Asselborn (second from left) and British Foreign Minister Philip Hammond (right) during a round table meeting of EU foreign ministers in Luxembourg on Monday. The ministers hope to raise 1 billion euros to fight Ebola. Virginia Mayo/AP hide caption

itoggle caption Virginia Mayo/AP

Meghan, 23, began experiencing hallucinations at 19. "Driving home, cars' headlights turned into eyes. The grills on the cars turned into mouths and none of them looked happy. It would scare the crap out of me," Meghan says. Marvi Lacar for NPR hide caption

itoggle caption Marvi Lacar for NPR

The Rev. Herman Browne voluntarily quarantined himself for 21 days after his wife's friend tested positive for Ebola. On Sunday, he returned to his church, Trinity Cathedral, to preach to his congregation about Ebola prevention. Jon Hamilton/NPR hide caption

itoggle caption Jon Hamilton/NPR

Thomas Eric Duncan, the first Ebola patient diagnosed in the U.S., at a wedding in Ghana. Texas Health Presbyterian Hospital Dallas, where Duncan was being treated for the disease, on Wednesday, Oct. 8, 2014 said Duncan has died. Wilmot Chayee/AP hide caption

itoggle caption Wilmot Chayee/AP

Avian influenza, or bird flu, causes an infectious and contagious respiratory disease. In the lab, several scientists have made the H5N1 strain more contagious, a controversial line of research. James Cavallini/ScienceSource hide caption

itoggle caption James Cavallini/ScienceSource

Ebola Virus, Transmission Electron Micrograph Of The Ebola Virus, Rna Virus, Cause Of Hemorrhagic Fever. BSIP/UIG via Getty Images hide caption

itoggle caption BSIP/UIG via Getty Images