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Nigerian health authorities are in the process of tracing more than 30,000 people who could be at risk of contracting Ebola, after the virus surfaced in Lagos.

The authorities have confirmed that a Liberian man who died in Lagos last Friday tested positive for Ebola, Reuters reported.

After the discovery, the hospital that dealt with Nigeria's first known Ebola victim was closed.

Professor Sunday Omilabu, from Lagos University Teaching Hospital, told Reuters the health authorities are now tracing everyone who may have had contact with the victim.

Bubonic plague bacteria. Photograph: AFP/Getty Images

30,000 residents of Yumen are not being allowed to leave and 151 people have been placed in quarantine after man's death

theguardian.com - July 22, 2014

A Chinese city has been sealed off and 151 people have been placed in quarantine since last week after a man died of bubonic plague, state media said.

The 30,000 residents of Yumen, in the north-western province of Gansu, are not being allowed to leave, and police at roadblocks on the perimeter of the city are telling motorists to find alternative routes, China Central Television (CCTV) said.

A 38-year-old man died last Wednesday, the report said, after he had been in contact with a dead marmot, a small furry animal related to the squirrel.

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Image: Carving whale shark. Photo: WildLifeRisk

businessinsider.com.au - January 28, 2014 - Chris Pash

An activist group has uncovered what it says is a whale shark factory in China processing up to 600 of the endangered fish each year.

WildLifeRisk, a Hong Kong-based conservation group, says the whale sharks are being processed at the “China Wenzhou Yueqing Marine Organisms Health Protection Foods Co Ltd” in China’s PuQi township near Wenzhou, Zhejiang Province.

The factory is fed by a network of agents who pay fishermen up to $US30,000 for one whale shark which can grow to 12m and weigh 20 tonnes.

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By 2050, the number of people aged over 60 years is projected to be five times that in 1950 (credit: Luigi Fontana, Brian K. Kennedy, and and Valter D. Longo/Nature)

submitted by Luis Kun

kurzweilai.net - July 24, 2014

By 2050, the number of people over the age of 80 will triple globally, which could come at great cost to individuals and economies.

Unfortunately, medicine focuses almost entirely on fighting chronic diseases in a piecemeal fashion as symptoms develop, researchers writing in the journal Nature say. Instead, more efforts should be directed to promoting interventions that have the potential to prevent multiple chronic diseases and extend healthy lifespans.

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Nature - Medical research: Treat ageing