Is turbuculosis disease a current threat or a historical problem?

It was discovered 10000 years ago, scientists have studied that it was passed on from animal, the bacterium mycobacterium had emerged 70 000 years ago among African humans, though it was disovered 10 000, the bacteria had been present waaay before that.

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so the answer

is 

 10000 years ago

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The answer would be c