Study: Seals may have first brought tuberculosis to the New World - 1 views
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kskurcenski on 22 Aug 14This article is a great example of the theme mobility as it was found that seals came to the new world first, bringing tuberculosis with them and giving it to the humans that hunted them. Even though this is a great discovery, there is no one alive today with the same ancient strain, which means that they still don't know if it can be transmitted from human to human.