Hank scares our pants off with a tale of the five deadliest infectious diseases in the world. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow...
Top 5 Deadliest Diseases
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Hank scares our pants off with a tale of the five deadliest infectious diseases in the world. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow...
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