How did a British doctor save humans around the world from a deadly smallpox?

How did a British doctor save humans around the world from deadly smallpox? According to the Nile, Al-Wasat's website tells you how a British doctor saved humans around the world from deadly smallpox. The smallpox disease has claimed the lives of tens of millions of people, its first appearance in 10,000 years in northeastern Africa, before expanding to New Delhi.

Some recent research, conducted on Pharaoh Egypt's mummy, Ramses V, raised the possibility of his death because of this disease, making Ramses V one of the first people to be dead. Al Wasat because of smallpox.

The threat of smallpox increased during the 17th century, becoming the leading cause of death in various parts of the world. In Europe alone, at least 400,000 Europeans died in the daily Al-Wasat, witnessing the deaths of five prominent European leaders because of smallpox. In 1724, the King of Spain Luis II died of the disease, followed by the Russian tsar Peter II in 1730 and the Princess of Monaco, Louise Hippolyte, and then, according to the sources of the newspaper Al-Wasat. A year later, in 1774, the king of France Louis XV died after suffering severe pain among doctors diagnosed with smallpox. In 1777, Maximalian III of Bavaria ended the same disease
Livestock
Jenner, end of the eighth century, a definite end of the disease, noting the absence of injury to working girls To infect cows with smallpox, but they have another disease called cowpox, which s' is quickly restored, thanks to the body's ability to resist.

Note that the cow-pox causes fatigue and the appearance of simple signs on the body that disappear rapidly over time, unlike smallpox that affects humans. On May 14, 1796, the English doctor approved a daring experiment on a child. Years
Child James
The experiment was simple sampling of a woman with cowpox and James Fips aged eight vaccinated with both samples in both arms. The place of vaccination quickly disappeared.

In early July of the same year, the Jenner baby was tested on samples of fluids rich in human variola virus, but the latter aged eight years showed no symptoms of smallpox. Against the disease after vaccination with cowpox. Finally, Edward Jenner's research succeeded in bringing about smallpox vaccination, saved millions of lives, and in the following years developed another smallpox vaccine derived from Edward Jenner's research.

The Observatory