Before Columbus: A 4,000-Year-Old Skeleton Reveals a Rare Leprosy Strain in the Americas
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Before Columbus: A 4,000-Year-Old Skeleton Reveals a Rare Leprosy Strain in the Americas

Scientists have decoded the genetic blueprints of a rare leprosy bacterium preserved in 4,000-year-old Chilean skeletons, opening a surprising new chapter in the story of Hansen’s disease. Researchers reconstructed two complete genomes of Mycobacterium lepromatosis, an uncommon cousin of the main leprosy germ. The discovery pushes the timeline of Hansen’s disease in the Americas back [...]