Jonas Edward Salkwas an American medical researcher and virologist, recognized for his discovery and development of the first vaccine against poliomyelitis.
He was born in New York on October 28, 1914.
His investigations of a flu vaccine in 1940 led him to develop an inactivated vaccine. against polio in 1952.
After verifying the success in the world, the vaccine was distributed in the United States and contributed to reduce the disease.
He died in La Jolla, California, on June 23, 1995.
You can read: Today in history. Giuseppe Mazzini is born
on this day
1683. United States. William Penn signs the land treaty with the North American Indians.
1760. Battle of Landeshut ?-In the framework of the Seven Years War- Austria defeats Prussia.
1812. Napoleonic Wars. Napoleon Bonaparte crosses the Neman River towards Moscow, beginning the Patriotic War of 1812.
1843. Germany. Paul Heinrich von Groth, German mineralogist, born.
1914. Mexico. In the city of Zacatecas, General Pancho Villa defeats the federal forces of Victoriano Huerta.
1961. The Antarctic Treaty System enters into force.
2023-06-23 04:00:00
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