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How we Conquered Smallpox

Jun 21, 2017 by

For thousands of years, humans had been exposed to smallpox, a highly infectious disease that ravaged cities and civilizations all over the world. Despite it’s infamy and high mortality rate, the last naturally occurring case of smallpox was in 1977. So how did we eradicate this disease? Watch the video below to learn more about smallpox, vaccinations and a cow named Blossom (seriously). Enjoy!