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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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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a distorted body image. The major risk factors contributing to the development of anorexia are Genetics‚ Psychological Traits‚ Cultural and Media Ideals and an unhealthy family environment. Fifty six percent of people who suffer from anorexia have a genetic predisposition to the disease (Candy‚ 2003). People who have an immediate family member with Anorexia are 12 times more likely to develop the disorder themselves than those with no family history of the disease. This is due to a hereditary
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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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1. What is the infectious agent (pathogen) that causes this infectious disease? Hepatitis A is cause by the Hepatitis A virus. The Hepatitis A virus causes an inflammation of the liver. 2. How is the infectious agent transmitted through food or water? The Hepatitis A virus is found most commonly in the stools and blood of an infected person about 15 to 45 days before symptoms occur and during the first week of illness. Hepatitis A is transmitted through eating or drinking water that has been
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Entering and contracting Entering and contracting are the initial steps taken in the OD process‚ and is considered by many as one the most important steps of the process. The entering and contracting step will be utilized to set the pace and lay the foundation for the practitioner client relationship. They involve a preliminary evaluation of the organization’s opportunities for development‚ while establishing a collaborative relationship between the OD practitioner and the members of the client
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1. What is the infectious agent (pathogen) that causes this infectious disease? For example the name of the bacteria‚ virus‚ or parasite. Giardia is protozoan and also flagellated. Flagellated means using appendages in a whip-like movement to propel. Giardia attaches to the host through the lining of the upper intestines. Once it attaches itself‚ it begins to feed and reproduce causing the giardiasis to commence. Giardia reproduces by dividing itself‚ which defines it as a trophozoite. This process
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healthcare workers (HCW) are still at risk of infection. Methods: In a narrative review the TB risk in HCW and preventive measures are described‚ with the focus on epidemiology and Occupational 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
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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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