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dec 6, 1856 - Daniel Danielssen

Description:

Daniel Danielssen injected himself with leprous material he retrieved from his patients in order to prove his notion that the disease was an inherited disorder. He and along with his assistants that were also injected did not get leprosy, thus refuting his notion

Added to timeline:

Timeline on Deadly Diseases of the World

ByNhimy Ly
14 Dec 2018
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Date:

dec 6, 1856
Now
~ 169 years ago
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