Mrsa

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Global pandemic: Of the Purple Cocci

March 1st 2014

Abstract
Hard to believe that a very common bacterium that is nearly present on everyone’s skin has been the cause of thousands of deaths every year. It has gained virulence that helps it survive a host’s immune system and many common antibiotics. This bacterium produces biofilms and toxins which allows it to survive in a host’s body. This bacterium has increasingly new strains that have evolved genetically. With new genetic strains it because more resistant to many different antibiotics.
Global pandemic: Of the Purple Cocci
Bacteria are living organisms and just like any other living organism, it wants to live and survive, even when it’s trying to be killed. It is this survival instinct that has lead certain bacterial strains to evolve and grow, to become a global pandemic. Methicillin-resistant Staphylococcus aureus or MRSA is a group of bacteria leads to thousands of deaths every year. In order to understand MRSA, you first need to know about the bacteria’s original characteristics, and then you learn about this bacterium’s evolution over the years, and finally learn the current way in which MRSA is treated with antibiotics.
S. aureus is a very common bacterium that lives on or in people; it usually lives on the skin, inside your nostrils, stomach and intestines. Many people are carrying it and are totally unaware that it is colonizing in or on them. Colonization is the establishment and growth of pathogens without causing signs or symptoms of it being there (Lilley, Collins, Harrington & Snyder, 2011, p. 584). S. aureus is normally harmless, however it does cause problems if it is able to enter the body and the body’s immune system is unable to kill it. 82% of patients in a study of bacteremia of S. aureus infections indicated the infections are usually caused by the identical colonizing…...

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