Alexander Fleming: Penicillin In The Medicine World

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Alexander Fleming, the man who saved many lives, had really helped in the medicine world; in 1928, Fleming discovered penicillin, a very powerful medicine that helped against many bacterial infections, by weakening the cell wall of the bacteria, among world.
Penicillin is a medicine that tremendously helped people with bacterial infections. Alexander Fleming accidentally discovered the medicine, hints the quote: "Often described as a careless lab technician, Fleming returned from a two-week vacation to find that a mold had developed on an accidentally contaminated staphylococcus culture plate. Upon examination of the mold, he noticed that the culture prevented the growth of staphylococci." (Healio, pg.1) Ever since the discovery of penicillin, bacterial infections that had been deadly, now are just as harmless as the common cold.
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Vaccines have helped the world build immunity from certain diseases, like the flu. The way vaccines work is by giving the patient immunity from a certain illness for a period of time "A vaccine typically contains agents that contain weakened disease" (ElseyieB.U., 1)This quote proves us that vaccine contains weakened diseases that help the body build immunity from; vaccines are very helpful when different illness seasons come, like flu season.
Diabetes also have been a world-wide threat that had killed many people. In 1921, two scientists, Frederick Banting and Charles Best. These two scientists discovered insulin, a medicine that regulates the your metabolism. Before the discovery, people feared diabetes, shows the quote: "Before the discovery of insulin, diabetes was a feared disease that most certainly led to death."(NobelPrize.org, 1) When insulin was invented, it saved many people like a little boy named Leonardo: " Leonardo bounced back to life with insulin"(MediLexicon,

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