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Ebola in the News | Second Ebola Diagnosis Shows Danger for Health Workers

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During the 2014 Ebola outbreak in Western Africa, PBS NewsHour interviewed registered nurse Katy Roemer and history of medicine Professor Howard Markel on the dangers of Ebola for U.S. health workers.

Use this collection of news stories and resources from the PBS NewsHourto understand the Ebola outbreak in Western Africa.

Water Pressures | Get Involved in Your Water Future

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Water Pressures documents a partnership between desert villagers in water-scarce Rājasthān, India and students at Northwestern University, to talk about the present water crisis and the future of water around the world.

Sidelined: Sports Concussions

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Find an explanation of what causes concussions and learn how computer software can assess damage due to a concussion. Also learn how neuroscientists use digital imaging to monitor long-term brain trauma. A QUEST video produced by KQED. An Educator Guide is included in support materials.

Water Pressures | Students in India

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Follow a group of Northwestern University students as they live in the villages of Rajasthan, India and experience a water crisis firsthand, in this video clip from Water Pressures.

What Are Viruses? | Spillover - Zika, Ebola & Beyond: Part 3

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Explore how viruses grow and spread, starting first with a host organism. The more species a single virus can occupy, the more likely it is to last into the future. The strain of Ebola that terrorized West Africa does an especially effective job of infecting the human body.

Zika Transmission | Spillover - Zika, Ebola & Beyond: Part 6

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Zika, unlike Ebola, is less commonly spread by human-to-human contact. Instead, mosquitos are the root cause. Brazil has recently implemented mosquito controls to prevent the transmission several of viral diseases, including Zika. As the world's population grows and spreads geographically, human interaction with new wildlife opens up greater opportunity for zoonotic disease to spread.

A New Foe Emerges - Nipah | Spillover - Zika, Ebola & Beyond: Part 7

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In 1988 Southeast Asia faced it's own battle with Nipah, a fruit bat-borne disease that kills more than three quarters of those infected. Nipah is only contracted in Bangladesh between the months of December and March, and this was a puzzle at first. It turns out that it is during these months that date palm sap, a national delicacy, is collected. Fruit bats, too, drink this sap, and the sap is thus the vehicle of Nipah transmission. Jonathan Epstein monitors bats in Bangladesh in an effort to prevent Nipah from becoming a global pandemic.

How Ebola Kills | Spillover - Zika, Ebola & Beyond: Part 4

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Meet Alhassan Kemokai, an Ebola virus survivor from Sierra Leone, as he tells the story of his battle with the brutal disease. Kemokai caught Ebola while caring for his mother when she contracted the virus. For this reason, some call Ebola a disease of love: it transmits while people care for their ailing loved ones. 

Why Do We Sleep? | The Good Stuff

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In this episode, we look at how humans and animals sleep and try to figure out the science behind why we spend a third of our lives asleep. Why do we do it? How do animals like sharks and dolphins sleep? Do Animals dream?

The PREDICT Project | Spillover - Zika, Ebola & Beyond: Part 9

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See Jonna Mazet's innovative PREDICT Project in action. PREDICT is a worldwide effort to use animal surveillance to monitor viruses, proactively preventing and containing outbreaks of infectious disease by identitifying points of contamination early on.

Nasal Spray May Be Lifesaver for Snake Bite Victims

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Snakes! Show your students how applied science works with this PBS NewsHour story on treating snake bites from June 19, 2014. Although snake bites are rarely fatal in the United States, every year about 100,000 people die worldwide after being bitten by venomous snakes. A California doctor has developed a nasal spray treatment that halts paralysis before they reach a hospital.

Contact Tracing | Spillover - Zika, Ebola & Beyond: Part 5

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Find out why contact tracing is such a crucial part of controlling outbreaks of infectious disease. Tracing back to patient zero during the West African Ebola outbreak shed light on Ebola's zoonotic origins and rapid spread. Contact tracing revealed that one initial "spillover" event—contact between a Guinean child and a bat in 2015—resulted in the largest Ebola outbreak the world had ever seen.

Dodging Bullets | Spillover - Zika, Ebola & Beyond: Part 8

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The highly contagious and pandemic nature of Ebola was exposed in 2014, when an infected US diplomat flew from Liberia to Nigeria, exposing dozens of passerby and doctors along the way. Contact tracing and quarantine can contain an outbreak, but not before lives are lost in the course of getting these procedures in place. An army of contact tracers in Lagos sprung into action and prevented the outbreak from becoming a global catastophe.

Spillover - Zika, Ebola & Beyond | Full Program

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Over the last few decades, diseases that spill over from animals to humans have been on the rise. Learn what's behind the increase, and what we can do to fight these dangerous diseases. Join scientists as they investigate the rise of spillover viruses like Zika, Ebola, and Nipah, and see what scientists are doing to anticipate and prevent epidemics around the world.

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