Why History Urges Caution on Coronavirus Immunity Testing

Snorting powdered smallpox scabs and jumping into the beds of those freshly dead from yellow fever. Humanity has gone to extreme lengths in search of immunity before. 

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This video is a collaboration between Retro Report and Scientific American. Read the full story here.

Kit R. Roane is a producer at Retro Report. He has worked as a journalist and documentary photographer for more than 20 years, covering local, national and foreign assignments for a variety of publications, including The New York Times and U.S. News & World Report.

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