Ancient DNA Study Reveals Leprosy Was Endemic to the Americas Long Before European Arrival
A long-standing historical narrative has held that leprosy, one of the world’s oldest and most stigmatized diseases, was introduced to the American continent by European colonizers during the age of exploration. This "Columbian Exchange" theory suggested that the arrival of settlers, and the subsequent transatlantic slave trade, brought various pathogens—including the bacteria responsible for leprosy—to […]
