Nicolas Rascovan's groundbreaking research revealed that leprosy existed among Indigenous populations in the Americas long before the arrival of European conquistadors, debunking long-held beliefs that attributed the disease's introduction to them. Analyzing over 400 DNA samples, Rascovan and his team identified two major lineages of the leprosy-causing bacteria. The findings highlight the pervasive presence of the disease across various regions, particularly in Mexico and the United States. This study, co-authored by 40 scientists and published in Science, represents a critical reevaluation of the historical narrative surrounding leprosy in the Americas.
The comprehensive study led by Nicolas Rascovan proved that leprosy existed among Indigenous populations in the Americas long before European arrival, challenging historical narratives.
Research involved DNA samples from over 400 modern individuals and ancient remains, revealing two major lineages of leprosy-causing bacteria that predate European contact.
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