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Wheelchairs for Nigeria: Getting Polio Survivors on the Move

Six new wheelchairs are lined up near the entrance of the Beautiful Gate Handicapped People's Centre in the central Nigerian city of Jos.

The chairs' new owners -- all of them polio survivors -- crawl one by one to the three-wheeled machines with flip-flops on their hands, dragging atrophied, twisted legs and feet behind them.

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Studies: Better Sleep May Be Important for Alzheimer's Risk

New research suggests poor sleep may increase people's risk of Alzheimer's disease, by spurring a brain-clogging gunk that in turn further interrupts shut-eye.

Disrupted sleep may be one of the missing pieces in explaining how a hallmark of Alzheimer's, a sticky protein called beta-amyloid, starts its damage long before people have trouble with memory, researchers reported Monday at the Alzheimer's Association International Conference.

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S. Korea Tourism Struggles to Recover from MERS Crisis

The recent outbreak of the deadly MERS virus in South Korea has left the country's tourist industry in intensive care, with visitor numbers plunging more than 40 percent in June, according to data released Tuesday.

As the country scrabbles to come up with promotional campaigns to lure the tourists back, officials are warning that the cost in lost revenue could be close to $10 billion.

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WHO: S.Sudan Cholera Outbreak Spreads, Deaths Rise to 39

Cholera in war-torn South Sudan has spread to another state, with at least 39 dead since an outbreak was declared last month, the World Heath Organization (WHO) said Tuesday.

A total of 1,212 cholera cases including 39 deaths have been recorded, according to WHO figures, with the highly contagious infection spreading from the capital Juba in Central Equatoria to neighboring Jonglei state, one of the worst-affected areas by the 19-month civil war.

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Studies Show Success in HIV Drugs for Prevention

Despite evidence that taking powerful anti-HIV drugs can help protect uninfected partners from contracting the virus that causes AIDS, the therapy is far from becoming routinely prescribed, scientists said Monday.

The practice, known as pre-exposure prophylaxis, or PrEP, means that a healthy person who engages in sex with an HIV-positive partner takes anti-retroviral drugs daily as a preventive measure to ward off HIV.

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Teen in Remission from HIV 12 Years after Stopping Meds

A French teenager born with HIV has been in remission for 12 years after stopping her medication, a world first that renews hope for the prospect of early treatment, researchers said Monday.

The young woman, now 18, is not considered cured, but is doing perfectly well off treatment, said the research led by Asier Saez-Cirion of the HIV, Inflammation and Persistence Unit at the Institut Pasteur in Paris.

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U.N. Needs $20 Million to Battle Bird Flu in West Africa

The U.N. appealed on Monday for $20 million to stem outbreaks of bird flu in West Africa, a region still weakened by the Ebola crisis.

The Rome-based Food and Agriculture Organisation(FAO) said it needed the funds (18.45 million euros) to respond swiftly to outbreaks of H5N1 avian flu, without which the poultry virus would spread beyond the region.

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Normality Returns to Hospital at Centre of Korea MERS Crisis

The hospital at the epicentre of South Korea's deadly MERS outbreak started to resume normal operations Monday, as officials moved closer to declaring a formal end to a crisis that triggered widespread panic and choked the local economy.

The past two weeks have seen no new reported cases of Middle East Respiratory Syndrome (MERS), which killed 36 people since the first case -- diagnosed May 20 -- developed into the largest outbreak of the virus outside Saudi Arabia.

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Experts Urge Shift in HIV Treatment at Global Meet in Canada

AIDS researchers released a call to action Sunday for a worldwide shift in HIV treatment, to providing medication immediately after diagnosis instead of first watching for signs of illness to appear.

"Immediate antiretroviral (ARV) treatment more than doubles an individual's prospects of staying healthy and surviving," said the Vancouver Consensus, a statement signed by leading AIDS scientists and officials at the opening of the International AIDS Society (IAS) conference, in this western Canadian city.

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Families Hit by Rare Early Alzheimer's Push for Research

Alzheimer's has ravaged generations of Dean DeMoe's family — his grandmother, father, siblings — all in their 40s and 50s.

DeMoe himself inherited the culprit gene mutation and at 53, the North Dakota man volunteers for a drug study he hopes one day will end the family's burden.

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