Smallpox, which spreads by respiration and kills roughly one...

Smallpox, which spreads by respiration and kills roughly one in three of those infected, took hundreds of millions of lives during a recorded history dating to Pharaonic Egypt. The last case was in 1978, and the disease was declared eradicated on May 8, 1980.

Barton Gellman Quote About Case, Dating, Disease, Eradicated, History: Smallpox Which Spreads By Respiration...

Quotes from famous authors

Popular tags & topics