![]() ![]() It is believed to have appeared around 10,000 BC, at the time of the first agricultural settlements in northeastern Africa ( 3, 4). The origin of smallpox as a natural disease is lost in prehistory. ![]() Jenner's work is widely regarded as the foundation of immunology-despite the fact that he was neither the first to suggest that infection with cowpox conferred specific immunity to smallpox nor the first to attempt cowpox inoculation for this purpose. It seems prudent to review the history of a disease known to few people in the 21st century.Įdward Jenner (Figure (Figure1 1) is well known around the world for his innovative contribution to immunization and the ultimate eradication of smallpox ( 2). Smallpox has been identified as a possible agent of bioterrorism ( 1). ![]() Unfortunately, since the attack on the World Trade Center on September 11, 2001, the threat of biological warfare and bioterrorism has reemerged. With the rapid pace of vaccine development in recent decades, the historic origins of immunization are often forgotten. In modern times we do not have to worry about it thanks to the remarkable work of Edward Jenner and later developments from his endeavors. In science credit goes to the man who convinces the world, not the man to whom the idea first occurs.įor many centuries, smallpox devastated mankind. ![]()
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