Europeans, especially Spanish explorers and colonialists, were thought to have brought this to the people of South America. However, a 2014 study published in the science journal 'Nature' claimed that this was already present in marine animals such as seals off the coast of modern-day Peru & Chile.
To do this, the researchers studied skeletons from that time period for scars, since lungs from these remains were obviously not available after such a long time. What is the subject of this study?
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The spread of tuberculosis to the 'New World'.
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