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Ebola Joke, Vomiting Passenger Spark Scares in U.S.

Jitters in the U.S. over Ebola were underlined Friday after an air passenger's joke sparked a full-on alert, while another plane was quarantined at Las Vegas airport because someone vomited onboard.

In the joke incident, a Hazmat (hazardous materials) team in blue suits boarded a U.S. Airways Flight from Philadelphia to the Dominican Republic on Wednesday.

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Ebola Toll Passes 4,000 as Fears Grow Worldwide

The death toll from Ebola has passed 4,000, the World Health Organization said, while a Madrid nurse was fighting for her life Saturday as authorities worldwide tried to prevent panic over the deadly disease.

The WHO said 4,033 people have died from Ebola as of October 8 out of a total of 8,399 registered cases in seven countries. The sharp rise in deaths came as the UN said aid pledges to fight the outbreak have fallen well short of the $1 billion (800 million euros) needed.

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UKIP Leader Farage Calls for Ban on Immigrants Carrying HIV

HIV campaigners on Friday said British political leader Nigel Farage, whose party has just won its first seat in parliament, should be "truly ashamed" after calling for an immigration ban on people carrying the virus.

The Terrence Higgins Trust, Britain's oldest HIV and Aids charity, said comments made by the leader of the anti-EU UK Independence Party as polls were closing in the Clacton by-election -- won by his candidate Douglas Carswell -- displayed a "new level of ignorance".

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Well in the Desert: A Healthy Soak in Saharan Sands

As the morning sun rises over the golden dunes of Erg Chebbi in the Sahara, men and women dig holes for tourists who want to bury themselves in the sand.

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Study: Toilets Alone Won't Fix India Sanitation

Building toilets in rural India, where hundreds of millions are still defecating outdoors, will not be enough to improve public health, according to a study published Friday.

India is considered to have the world's worst sanitation record despite spending some $3 billion since 1986 on sanitation programs, according to government figures. The country is now gearing up to spend 10 times that amount, as new Prime Minister Narendra Modi makes garbage and sanitation troubles a key issue for his first year in office.

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U.S. Warns Ebola Could Become Next AIDS amid Fears for Spanish Nurse

A top U.S. health official urged swift action Thursday to prevent the deadly Ebola virus from becoming the next AIDS epidemic, while a Spanish nurse was at "serious risk" of dying.

Teresa Romero, 44, is "very ill and her life is at serious risk as a consequence of the virus," Madrid's regional president Ignacio Gonzalez told parliament.

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UK Children Tested on how Sleep, Exercise Affect Learning

Tens of thousands of English schoolchildren will be given a lie-in or more rigorous sports classes as part of a major trial announced on Thursday to assess how advances in neuroscience can affect learning.

There is evidence that tailoring the school day to reflect the delayed sleep cycle of teenagers improves their learning and that aerobic exercise boosts brain function, but how and to what extent will now be tested on a large scale.

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Ebola Training Focuses on Astronaut-Like Gear

The serious-faced physicians practice pulling on bulky white suits and helmets that make them look more like astronauts than doctors preparing to fight a deadly enemy. These training sessions at U.S. hospitals on Ebola alert and for health workers heading to Africa can make the reality sink in: Learning how to safely put on and take off the medical armor is crucial.

"When you're in the real deal, remember to take your time," biosafety expert John Bivona told doctors during a course this week at the University of Chicago's medical center. Suits splashed with patients' vomit or blood must be removed carefully, he explained.

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Cardiac Study Raises Questions about Awareness in Death

Some people may retain awareness after they have technically died, according to an unusual study published on Wednesday into hospital patients who went into deep cardiac arrest.

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Hi-Tech Images Point to Chinks in HIV's Armor

In a boost for the long and frustrating quest for an AIDS vaccine, researchers on Wednesday unveiled molecular imaging of an elusive feature that helps HIV infect immune cells.

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