Did leprosy exist in the Americas before European invasion? Our lab #aDNA study at @institutpasteur.bsky.social supervised by @nrascovan.bsky.social in collab with @avanzich.bsky.social (CSU) finds M.lepromatosis in pre-colonial Ancestors from North and South America www.science.org/doi/10.1126/...

A new Science study shows that the mycobacterium M. lepromatosis infected humans in the Americas before European contact. The findings reshape current views of leprosy in the Americas and provide insights into the long-term interactions between humans and infectious diseases. scim.ag/3HuEjGB