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TB has human, not animal, origins - says study
The origins of human tuberculosis have been traced back to hunter-gatherer groups in Africa 70,000 years ago, an international team of scientists say.
The research goes against common belief that TB originated in animals only 10,000 years ago and spread to humans.
The work, published in Nature Genetics, outlines the strong relationship between the evolutionary history of both humans and TB.
The disease causes more than one million deaths every year.
http://www.bbc.co.uk/news/health-23897670
The research goes against common belief that TB originated in animals only 10,000 years ago and spread to humans.
The work, published in Nature Genetics, outlines the strong relationship between the evolutionary history of both humans and TB.
The disease causes more than one million deaths every year.
http://www.bbc.co.uk/news/health-23897670