Pasteur, the extraordinary fate of the inventor of the rabies vaccine
It will probably take several months or even several years to successfully develop an effective vaccine against the coronavirus. Since the end of the 19th century, this practice has remained the best way to save lives. In this new episode of "At the heart of history", produced by Europe 1 Studio, Jean des Cars traces the journey of the visionary man to whom we owe the vaccine against rabies: Louis Pasteur.
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In this period of coronavirus epidemic, the question of finding an effective treatment for this disease is still at the center of our concerns. In this new episode of "At the heart of history", produced by Europe 1 Studio, Jean des Cars tells you about the extraordinary destiny of a man who, in the second half of the 19th century and without being a doctor, was the pioneer of microbiology: Louis Pasteur.
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On Monday July 6, 1885, in an Alsatian village, a young 9-year-old shepherd, Joseph Meister, accompanied by his mother and a neighboring grocer, knock on Louis Pasteur's door. He receives the frantic trio. The little boy has just been bitten by a stray and rabid dog. Pasteur is already very famous, among others, for his work on animal diseases such as ruminant anthrax which decimated herds. This Monday, after agonizing hesitations since he is not a doctor of medicine, Pastor, 63, inoculates Joseph Meister for the first time with the rabies vaccine he has developed. The test is a success! Joseph Meister is saved! Pasteur thus proves that a person bitten by a rabid animal can be saved if the injection of the vaccine is made from the bite. Who is the daring Mr. Pasteur?
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The inventor of pasteurization
Louis Pasteur was born on December 27, 1822, in Dole, sub-prefecture of Jura. All his life, he will remain attached to this region. In 1827, his family moved to Arbois. As a teenager, Louis Pasteur was a very gifted designer and portrait painter, but he quickly gave up exercising this talent. In 1843, after his studies at the College of Besançon, he was admitted to the Ecole Normale Supérieure in the rue d'Ulm. Doctor of science in 1847, he was appointed, at 25, an assistant professor of chemistry at the University of Strasbourg. He married there in 1848 with Marie Laurent, daughter of the rector of this Academy.vaccine schedule
Louis Pasteur has a vast scientific curiosity. When he was appointed dean and professor of chemistry in Lille, he began researching the fermentation process. Its discovery is essential: it proves that this phenomenon is caused by micro-organisms, yeasts. And it shows that the acidity of wine and beer is caused by bacteria. It was then that he developed a process to which he gave his name: pasteurization. It consists of heating a fermentable liquid to high temperature (at least 55 ° C) and cooling it suddenly, so as to destroy pathogenic germs.
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In 1864, during a conference at the Sorbonne, Pasteur proved that he was right. The method can be applied to milk as well as fruit juices and of course to wine and beer. And he's going to apply it to all foods. Thanks to pasteurization, drinks, and food no longer ferment, they are healthy. From now on, they can, therefore, be stored without risk and the quality of the products is preserved. A revolution for public health! Louis Pasteur becomes a celebrity!
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A scientific genius supported by Napoleon III
Some of his jealous colleagues criticize his authoritarianism. This colleague is too bright! They obtain the abolition of his post and his dismissal. Pasteur and his family settled in the Gard, in Alès. However, in this region, the fever, also called silkworm disease, worries the owners of silkworms. Pasteur establishes that this plague is hereditary. By rigorously selecting eggs, it manages to halt the spread of the epidemic. He dedicates this success to Empress Eugenie. He was invited to Compiègne, during one of the famous "series" organized in the fall. Beautiful social revenge! He lectured there on biology and noted that the Empress was passionate about microscopy.vaccines for children
Pasteur, who had supported the coming to power of Napoleon III, is of great interest to the Emperor, concerned with the practical applications of discoveries and improvements in daily life. Knowing the biologist's problems with the Académie des Sciences, where he was elected on December 8, 1862, in the Mineralogy section by causing controversy, Napoleon III accepted his suggestion: we must meet the needs of research, the State must s 'load it.
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The imperial couple comes to visit Pasteur's laboratory at the Sorbonne. Then, in Marines-la-Coquette, in the vicinity of the Palace of Saint-Cloud, Pasteur experiments with his work on dogs, some of which are considered dangerous. Residents cry out over scandal, call Pasteur a charlatan, but Eugenie opens the gates of the park for accrue
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