Archive · 5 Jun 2025

Leprosy in Americas Pre-Colonization: A New Discovery

Leprosy in Americas Pre-Colonization: A New Discovery

Scientists discovered that a type of leprosy was present in the Americas long before Europeans arrived.

They found evidence of a specific bacteria, Mycobacterium lepromatosis, infecting people in the Americas for at least a thousand years.

This suggests that leprosy was already affecting indigenous populations before the arrival of Europeans.

The Europeans then brought their own type of leprosy bacteria, called Mycobacterium leprae, which added to the existing health challenges.

The research helps us understand the spread of diseases and how they've affected people throughout history.

Today, leprosy can be treated, but it still affects many people around the world.

Sources