Rediscovered Native American remedy kills poxvirus

Smallpox ravaged human populations for thousands of years, but in 1796 Edward Jenner discovered that exposure to cowpox lesions could provide immunity to smallpox. This led to the creation of the first vaccine for a disease. It took some time, but in 1979 the World Health Organization officially declared that smallpox had been eradicated. MORE
Video on how to grow them.