end of the Permian period 250 million years ago‚ which caused 96% of species that were around at the time to perish. Time has proven that bacteria are natural masters of survival and thrive in the most extreme of environments. They are found virtually everywhere and there are trillions of bacteria cells inside you right now! Most are harmless and even beneficial however some are lethal to humans. Infectious diseases were the greatest cause of mortality in the 20th century until the discovery of
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Introduction: Diseases can be communicable or non-communicable. Communicable diseases are caused by infectious microorganisms which are pathogens. The aim of this passage is to discuss various types of microorganisms that cause disease. Microorganisms are simple organisms that are unicellular or live in colonies. The group contains bacteria‚ virus‚ algae‚ fungi‚ protozoa. They can be divided into pathogenic and non-pathogenic. In this passage pathogenic microorganisms that cause diseases are concerned
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Hepatitis C Travis F. Shoffner American Military University Abstract This research paper looks at the infectious disease hepatitis C. The research draws upon primary sources including medical websites and electronic newspaper articles. The goal is to inform and describe the disease‚ cite current infections and death statistics related to it. The paper will also explain how the disease affects the body and discuss current and future treatment options. This research will provide valuable information
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ABSTRACT Measles is an infectious disease. The measles virus if from the family paramyxoviridae and genus mobilivirus. Measles infection presents with symptoms that include fever‚ coryza‚ cough‚ conjunctivitis and maculopapular rashes (Koplik’s spots). Measles causes temporary suppression of the immune system‚ giving rise to secondary infections in patients. A person infected with measles will recover within three weeks if the infection is not complicated. Complications that can arise from measles
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Tuberculosis Tuberculosis‚ MTB‚ or TB (short for tubercle bacillus) is a common‚ and in many cases lethal‚ infectious disease caused by various strains of mycobacteria‚ usually Mycobacterium tuberculosis. Mycobacterium tuberculosis has been present in the human population for thousands of years; fragments of the spinal column from Egyptian mummies from 2400 BCE show definite pathological signs of tubercular decay. Called "consumption‚" tuberculosis was recognized as the leading cause of mortality
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5 Reasons Why Green Marketing Is a New World Unlike the physically bounded geographic world‚ the “new frontiers” of marketing are continually emerging for the next great advertising explorers. However‚ just as Giovanni da Verrazano’s explorations led to his demise at the hands of cannibalistic natives‚ overly audacious marketing adventures can be fatal; if not to your life then to your product. The combination of ethical circumspection‚ smaller budgets‚ and divergent markets for green products necessitate
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The modern world changes very quickly because people want to make it better for themselves. Since the end of the XX century people in many respects depended on electricity and cars. In it there are also pluses. First our life became much more comfortable than ever‚ in - the second any information which can be necessary for us is available and we can receive it irrespective of time and much quicker than earlier. We without fail carry the Internet to number of such conveniences. The world wide web unites
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| Essay on Immunizations | | | | Immunization is a procedure routinely used to improve the body’s ability to overcome infection and protect against diseases caused by infectious agents. It works against a specific disease by training the immune system to rapidly recognize and eliminate the infectious agent that causes that disease‚ thus resulting in immunity. Protection can be acquired either by passive or by active immunization.Passive immunization involves transfer of antibodies obtained
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Harmful Habits and Infectious Disease Prevention Second Hand Smoke Second hand smoke can be a serious concern for smokers and non smokers alike. When one thinks of smoking‚ they think of individuals who smoke and the effects of lung cancer that are attributed to smoking. One usually never thinks that second hand smoke can be harmful. After all they are not the ones smoking tobacco. Each day in America 1‚200 people die from smoking and exposure to second hand smoke; according to Kick Butts
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Kelly E. Guerrero Ms. Hirsch Eng 101 29 March 2011 Five Reasons Why People Bully To understand bullying‚ we must look at causes that create bullies. These elemental reasons can act as catalysts upon the right person and create a problematic member of society. Bullies‚ as we have come to know the term‚ are capable of inflicting the same elements of damage on their victims that leads to a continuance of the problem. According to Jan Faull of the Seattle Times‚ it is an aggressive act where
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