Who discovered smallpox and when?

Answers:
A Texas(Scottish) doctor-Dr A.R.Campell proved that it was spread by a bite from a blood-sucking bed-bug.and was not contagious or an airborne disease.
Look up Benjamin Jesty
http://en.wikipedia.org/wiki/Benjamin_Je…
The first known cases of smallpox walk back to 1350 BC and the disease has been set for a very long time. Dr. Campbell identified how smallpox is spread. Edward Jenner is credited with developing the smallpox vaccine in 1796
asia

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