MODELLING OF INFECTIOUS DISEASES (SIR MODEL) Infectious diseases continue to claim the top spot for morbidity and mortality worldwide‚ with an estimated of 10% of all deaths each year to have been caused by HIV‚ tuberculosis and malaria. Infectious diseases have remained the major cause of suffering and mortality in developing countries‚ perhaps due to the fact that the aftermath of natural disasters often involve the outbreaks of infectious diseases. It is no wonder that the topic of infectious diseases
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Ancestors of modern day bacteria were some of the first forms of life on Earth. Their existence is estimated to have originated 4 billion years ago. Unicellular organisms have endured through mass extinctions including the most severe of all‚ at the 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
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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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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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Harmful Habits & Infectious Disease Prevention Managing health and wellness is largely dependent upon our knowledge of controllable and uncontrollable risk factors that exist amongst people and within our environment. Our overall ability to maximize our level of wellness revolves around the choices made on a daily basis including our actions and our diets. In order to take our health seriously‚ we must learn to come to terms with the harmful effects of our decisions as well as the occasion of factors
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What is Environmental Health? Environmental health is the branch of public health that is concerned with all aspects of the natural and built environment that may affect human health. It also refers to the theory and practice of assessing and controlling factors in the environment that can potentially affect health. Environmental Health is the field of science that studies how the environment influences human health and disease. “Environment‚” in this context‚ means things
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Safety and Health (OSH) regulations in Germany. Results: There is an increased risk of infection not only in pneumology and laboratories with regular contact with tuberculosis patients or infectious materials. Epidemiological studies have also verified an increased risk of infection from activities that involve close contact with patients’ breath (e.g. bronchoscopy‚ intubation) or close contact with patients in need of care in geriatric medicine or geriatric nursing. In occupational disease claim proceedings
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• What is the infectious agent (pathogen) that causes this infectious disease? For example‚ the name of the bacteria‚ virus‚ or parasite. The infectious agent I choose is the Norovirus. The Norovirus is a small virus that is highly contagious. The Norovirus is also the most common cause of gastroenteritis. Gastroenteritis is often referred to as the stomach flu. Gastroenteritis is the inflammation of gastrointestinal tract. This includes the stomach and intestines. The inflammation usually
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