Evolution, cowpox had fewer symptoms and could spread more easily...Smallpox is not completely eradicated, for some reason, apparently rather than using the old fashion orphans with cowpox method, they weaponized soldiers with the virus. http://www.nytimes.com/2007/05/18/health/18smallpox.html
If vaccines don't work, what eradicated smallpox?
ReplyDeleteEvolution, cowpox had fewer symptoms and could spread more easily...Smallpox is not completely eradicated, for some reason, apparently rather than using the old fashion orphans with cowpox method, they weaponized soldiers with the virus.
Deletehttp://www.nytimes.com/2007/05/18/health/18smallpox.html