A Strain of Tuberculosis Traveled Across The Pacific Thousands of Years Pre-Contact

Centuries before first contact with Europeans, new research suggests a strain of tuberculosis was already circulating from the South American coasts to the mountains. Deadly European diseases, like tuberculosis (TB), whooping cough, and smallpox, were spread around the world with colonization, but recent evidence indicates this wasn’t the first time TB arrived in South America. … Read more