Famous deadly diseases have had some pretty major impacts on human history—some changing the course of human life forever. In today's episode of SciShow, Stefan Chin shows you 6 diseases that shaped human history, and changed life as we know it today!

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Sources:

Plague
https://news.nationalgeographic.com/n...
http://jmvh.org/article/the-history-o...
https://www.ancient.eu/article/782/ju...
https://www.ncbi.nlm.nih.gov/pubmed/2...
http://www.cfsph.iastate.edu/Factshee...
http://www.austincc.edu/microbio/2704...
http://content.time.com/time/specials...
https://www.history.com/topics/black-...

Smallpox
http://www.mountvernon.org/digital-en...
https://www.nationalgeographic.com/sc...
https://archive.nytimes.com/www.nytim...
http://www.pbs.org/gunsgermssteel/var...
http://www.who.int/csr/disease/smallp...
http://www.sciencemag.org/news/2016/1...

Syphilis
https://www.cdc.gov/std/syphilis/stdf...
https://www.theguardian.com/books/201...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.mayoclinic.org/diseases-c...
http://www.dictionary.com/browse/chem...
https://pubs.acs.org/cen/coverstory/8...
http://jmvh.org/article/syphilis-its-...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.nobelprize.org/nobel_priz...

Cholera
http://www.ph.ucla.edu/epi/snow/snowc...
https://blogs.cdc.gov/publichealthmat...
https://www.ncbi.nlm.nih.gov/pmc/arti...

Yellow Fever
http://www.who.int/mediacentre/factsh...
http://ocp.hul.harvard.edu/contagion/...
https://www.cdc.gov/yellowfever/index...
https://www.cdc.gov/malaria/about/his...
https://www.epa.gov/mosquitocontrol/s...
http://homeguides.sfgate.com/homemade...

Hemophilia
http://www.sciencemag.org/news/2009/1...
https://www.nature.com/scitable/conte...
https://medlineplus.gov/ency/article/...
https://medlineplus.gov/ency/article/...
https://ghr.nlm.nih.gov/condition/tay...
https://medlineplus.gov/ency/article/...
https://ghr.nlm.nih.gov/condition/hem...
https://www.ncbi.nlm.nih.gov/pmc/arti...