--- title: Ebola: How the CDC Is Changing Protocol After 2 Nurses Catch Virus description: The CDC is issuing stricter health guidelines after two U.S. nurses contracted Ebola canonical: https://time.com/3513379/ebola-cdc-protocol/ author: TIME Video article:opinion: false article:content_tier: free article:published_time: 2014-10-16T18:14:16.000Z article:modified_time: 2026-05-11T05:07:22.773Z article:section: Health og:title: #TheBrief: Here's How the CDC Is Changing Its Ebola Protocol og:description: As two nurses who contracted Ebola begin to receive specialized care og:url: https://time.com/3513379/ebola-cdc-protocol/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltf2be75cd1b429d59/69876113e53abaf7ff4d5102/455656204.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 5520 og:image:height: 3105 og:image:alt: NIGERIA-SAUDI-RELIGION-ISLAM og:type: article twitter:card: summary_large_image twitter:title: #TheBrief: Here's How the CDC Is Changing Its Ebola Protocol twitter:description: As two nurses who contracted Ebola begin to receive specialized care twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltf2be75cd1b429d59/69876113e53abaf7ff4d5102/455656204.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # #TheBrief: Watch How the CDC Is Changing Its Ebola Protocol > Sponsored content. 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Health Matters is TIME's daily health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free daily newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. by [TIME Video](https://time.com/author/time-video/) ## TIME Video Oct 16, 2014 6:14 PM UTC  A Muslim faithful on pilgrimage to Mecca undergoes temperature checks for the ebola virus at at the Murtala Mohammed International Airport in Lagos on September 19, 2014\. Over two hundred Muslim faithfuls from Oyo State in southwest Nigeria on pilgrimage to Mecca in Saudi Arabia underwent stringent health checks by Nigerian health officials in collaboration with its counterpart from the Who Health Organisation to prevent Ebola spread in the holy land. Nigeria is the only country in the region, which has been affected by Ebola that has clearance to send pilgrims to Saudi Arabia for the Hajj. AFP PHOTO/PIUS UTOMI EKPEI (Photo credit should read PIUS UTOMI EKPEI/AFP/Getty Images) A Muslim faithful on pilgrimage to Mecca undergoes temperature checks for the ebola virus at at the Murtala Mohammed International Airport in Lagos on September 19, 2014\. Over two hundred Muslim faithfuls from Oyo State in southwest Nigeria on pilgrimage to Mecca in Saudi Arabia underwent stringent health checks by Nigerian health officials in collaboration with its counterpart from the Who Health Organisation to prevent Ebola spread in the holy land. Nigeria is the only country in the region, which has been affected by Ebola that has clearance to send pilgrims to Saudi Arabia for the Hajj. AFP PHOTO/PIUS UTOMI EKPEI (Photo credit should read PIUS UTOMI EKPEI/AFP/Getty Images) PIUS UTOMI EKPEI—AFP/Getty Images by [TIME Video](https://time.com/author/time-video/) ## TIME Video Oct 16, 2014 6:14 PM UTC As the Ebola virus continues to ravage parts of West Africa and two American health care workers begin to receive specialized care, we have to wonder: Are hospitals in the U.S. well-equipped to contain any further spread at home? Thomas Frieden, director of the U.S. Centers for Disease Control and Prevention, assured Americans in September that the country’s hospitals could control and curb any threat. But after two nurses contracted the virus while helping to treat the first person diagnosed with Ebola in the U.S., who died in Dallas last week, criticism is piling on and answers to this question and more are in high demand. ### See The Tobacco Leaves That Could Cure Ebola  Tobacco plants are grown for six weeks in the Medicago greenhouse in Quebec City so their leaves are large enough to serve as a factory for making antibodies. The plants are not modified or genetically altered in any way during this time. Mathieu Belanger—Reuters  Researchers at Icon Genetics in Germany prepare the DNA coding for antibodies that can neutralize Ebola. These genes are inserted into a soil bacterium that easily infects the tobacco plant cells. Once in the cells, the gene is treated like any other plant gene and the plant starts churning out the antibodies. Sean Gallup—Getty Images  To infect the leaves with the antibody-containing bacteria, the plants are submerged in a water solution of the loaded bacteria. Plant cells have plenty of empty spaces filled with air, so a vacuum removes the air and the water, along with the bacteria and antibody genes, flow in. Mathieu Belanger—Reuters  The leaf at the bottom has not been treated. The leaf on top is now an antibody-making factory. The plant's normal machinery starts making the antibody as if it is a plant protein. Mathieu Belanger—Reuters  Researchers at Icon Genetics grind the leaves down to filter out the antibodies. Sean Gallup—Getty Images  Ultraviolet light reveals the clusters of cells that are busy making antibodies. One kg of leaves produces about 5g of antibodies, which is about a third of the dose required to treat an Ebola patient. 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