Search Results - Pathogen
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A pathogen (from Greek p???? pathos "suffering, passion", and ?????µa? (?e?-) gignomai (gen-) "I give birth to"), infectious agent, or more commonly germ, is a biological agent that causes disease or illness to its host. [1] The term pathogen is derived from the Greek "that which produces suffering." There are several substrates and pathways whereby pathogens can invade a host; the principal pathways have different episodic time frames, but soil contamination has the longest or most persistent potential for harboring a pathogen. The body contains many natural defenses against some of the common pathogens (such as Pneumocystis) in the form of the human immune system and by some "helpful" bacteria present in the human body's normal flora. However, if the immune system or "good" bacteria is damaged in any way (such as by chemotherapy, human immunodeficiency virus (HIV), or antibiotics being taken to kill other pathogens), pathogenic bacteria that were being held at bay can proliferate and cause harm to the host. Such cases are called opportunistic infections. Some pathogens (such as the bacterium Yersinia pestis, which may have caused the Black Plague, the Variola virus, and the Malaria protozoa) have been responsible for massive numbers of casualties and have had numerous effects on afflicted groups. Of particular note in modern times is HIV, which is known to have infected several million humans globally, along with Severe Acute Respiratory Syndrome (SARS) and the Influenza virus. Today, while many medical advances have been made to safeguard against infection by pathogens, through the use of vaccination, antibiotics, and fungicide, pathogens continue to threaten human life. Social advances such as food safety, hygiene, and water treatment have reduced the threat from some pathogens. Not all pathogens are bad though. In entomology, pathogens are one of the "Three P's" (Predators, Pathogens, and Parasitoids) that serve as natural or introduced biological controls to suppress arthropod pest populations.
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Showing 1 to 16 of 16 Articles matching 'Pathogen' in related articles. |
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1. What Are Common Life Saving Vaccines?
October 19, 2008
Vaccines create immunity to disease by stimulating the body's natural immune system to identify, attack, destroy and remember a known pathogen, so the next time the virus enters the body it is eradicated before any cellular damage is done. Most immunization comes in the form of a shot, but some can be administered orally or through a nasal spray. While vaccinations are believed to be 100% safe by most health experts, there are some factions who believe vaccinations needlessly make people sick or place individuals at risk.
Child health depends upon the use of vaccinations to protect the w... (read more)
Author: Mike Selvon
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2. Information on Lemierre's Syndrome
September 29, 2008
Lemierre's Syndrome also known as necrobacillosis or post-anginal sepsis. It is caused by the bacterium Fusobacterium necrophorum, and occasionally by other members of the genus fusobacterium. Fusobacterium necrophorum is the most common pathogen isolated from the patients. The interval between the oropharyngeal infection and the onset of the septicaemia is usually short. Deep in the abscess, anaerobic bacteria like Fusobacterium necrophorum can flourish. Fusobacterium necrophorum organism is found in the intestines of many species as part of the normal flora. It survives well in wet soil that... (read more)
Author: Juliet Cohen
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3. Most Common Foodborne Illness
September 08, 2008
Food borne illness are one of the leading causes of emergency room visits in the United States, and account for millions of dollars in expenses and thousands of days of lost work time every year. What are some of the most common bugs?
Campylobacter is a bacterial pathogen that causes fever, diarrhea, and abdominal cramps. It is the most commonly identified bacterial cause of diarrheal illness in the world. These bacteria live in the intestines of healthy birds, and most raw poultry meat has Campylobacter on it. Eating undercooked chicken or other food that has been contaminated with juice... (read more)
Author: Andrew Krause
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4. Feline Panleukopenia Disease
August 11, 2008
Feline Panleukopenia or Feline Distemper is a serious disease that occur in cats. It is also known as Feline Distemper. The illness is caused by a Parvovirus that is present everywhere in the environment and has been recorded in many countries. As such most cats are exposed to the pathogen to varying degrees. However, the disease only takes hold in cats with weakened immunity.
Most cat owners are unaware of Feline Panleukopenia since kittens are routinely immunized against it as part of the standard vaccination regimen. The disease thus appears in feral, abandoned and other stray felines ... (read more)
Author: Omer Ashraf
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5. What is Lyme Disease and Symptoms of Lyme Disease
June 29, 2008
Lyme disease (LD) is a multi-system bacterial infection caused by a the spirochete Borrelia burgdoferi (Bb). The pathogen was named in honor of the discoverer and a founding board member of the Lyme Disease Foundation, Willy Burgdorfer, PhD, MD (hon).
The investigators discovered that most of the affected children lived near wooded areas likely to harbor ticks. They also found that the children's first symptoms typically started in the summer months coinciding with the height of the tick season.
Ecology of Lyme Disease
LD is transmitted to humans by ticks. Larval and nymphal sta... (read more)
Author: sam nickel7
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6. Drugs and pharmaceutical marketing
June 29, 2008
Pharmaceutical marketing is the business of advertising or promoting the sale of pharmaceuticals, medicines or drugs.
Drugs have been discovered either by isolating the active ingredient from traditional remedies or by serendipitous discovery. Modern biotechnology often focuses on understanding the metabolic pathways related to pathogen, and manipulating these pathways using Biochemistry or molecular biology. A great deal of early-stage drugs discovery has traditionally been carried out by research institutions. Drug development refers to activities undertaken after a compoun... (read more)
Author: Barbu Stelan
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7. Complete Information on Clostridium sordellii
June 18, 2008
Clostridium sordellii is an infrequent human pathogen. It has been demonstrated to be occasionally responsible for myonecrosis or gas gangrene. C. sordellii bacteremia and sepsis occur rarely. Most cases of sepsis from C. sordellii occur in patients with underlying conditions. Severe toxic shock syndrome among previously healthy persons has been described in a small number of C. sordellii cases, most often associated with gynecologic infections in women and infection of the umbilical stump in newborns. It has also been described in post-partum females, medically-induced abortions, injection dr... (read more)
Author: Juliet Cohen
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8. Guerilla MLM and the 4 Critical Questions of Network Marketing
May 07, 2008
MLM is full of exciting words. People will say and do anything to get you excited about giving them your money. “Viral” marketing is a good one. The word “viral” conjures up thoughts of some small, rapidly-reproducing, indestructible pathogen, which pervades every element of society while spreading its debilitating and unstoppable disease. (That’s where the viral marketing analogy gets a little too graphic for me.) Viral is catchy. My personal favorite though, without a doubt, is something I recently came across. With your purchase from this company, you uncover… “Underground Gueril... (read more)
Author: Adam Prestidge
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9. Alternative Medicines - Treatment for Infectious Diseases
April 22, 2008
An infectious disease is a disease or sickness that happens when an organism (a living thing such as a plant or animal) is attacked by a pathogen. Pathogens (such as bacteria, viruses, and other germs) are too small to see. Some infectious diseases are contagious, which means that the sick plant, animal, or person can get other things sick. The pathogen can get from one organism to another through air, food, water, blood, or physical touch. Usually, the sick organism heals.
Alternative medical systems are built upon complete systems of theory and practice. Often, these systems have evol... (read more)
Author: Peter Hutch
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10. Natural Remedies for Candida
March 28, 2008
Candida is a type of fungus (also called yeast), and is only one of a huge number of micro-organisms that exist in a human body. Candida is a normal part of the bowel flora (the organisms that naturally live inside our intestines, and are not parasitic). It has many functions inside our digestive tract, one of them to recognize and destroy harmful bacteria. Without Candida albicans in our intestines we would be defenseless against many pathogen bacteria. The species Candida albicans is the specific strain responsible for the uncomfortable symptoms of candidiasis. Hormonal contraceptives causin... (read more)
Author: Juliet Cohen
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11. Alternative Medicines For Infectious Diseases
March 28, 2008
An infectious disease is a disease or sickness that happens when an organism (a living thing such as a plant or animal) is attacked by a pathogen. Pathogens (such as bacteria, viruses, and other germs) are too small to see. Some infectious diseases are contagious, which means that the sick plant, animal, or person can get other things sick. The pathogen can get from one organism to another through air, food, water, blood, or physical touch. Usually, the sick organism heals. Then, the organism's body learns how to fight the pathogen. If the pathogen attacks again, the immune system knows how to... (read more)
Author: Juliet Cohen
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12. What Does The Presence Of Coliform Bacteria Indicate?
March 10, 2008
Coliform bacteria are the organisms that thrive in soil or vegetation and in the intestinal tract of warm-blooded animals. The presence of these bacteria indicates contamination of water and possibility of intestinal parasites or pathogens. The coliform bacteria are quite simple to identify, and may be present in much larger number. Than the more dangerous pathogen and it reacts in the same way in natural environment as other pathogens. Thus, the increase and decrease of many bacteria can be easily estimated by observing coliform bacteria.
Coliform bacteria are generally found into the r... (read more)
Author: Peter Gitundu
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13. Travel Vaccine For Yellow Fever
October 09, 2007
What is the Vaccine?
Vaccines are harmless agents, perceived as enemies. They are molecules, usually but not necessarily proteins, that elicit an immune response, thereby providing protective immunity against a potential pathogen. While the pathogen can be a bacterium or even a eukaryotic protozoan, most successful vaccines have been raised against viruses and here we shall deal mostly with anti-viral vaccines.
All Vaccinations Work by presenting a foreign antigen to the immune system in order to evoke an immune response, but there are several ways to do this. The three main types ar... (read more)
Author: Rob Curtis
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14. Lung Abscess
April 20, 2007
The term pulmonary abscess describes a local suppurative process within the lung characterized by necrosis of lung tissue. Oropharyngeal surgical procedures, sinobronchial infections, dental sepsis, and bronchiectasis play important roles in their development. Although under appropriate circumstances any pathogen may produce an abscess, the commonly isolated organisms include aerobic and anaerobic streptococci, Staphylococcus aureus, and a host of gram-negative organisms. Mixed infections occur often because of the important casual role that inhalation of foreign material plays. Anaerobic... (read more)
Author: donald anderson
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15. Understanding Your Immune System
July 20, 2006
Understanding how your immune system works is the chief cornerstone of maintaining vibrant natural health.
One only has to study the devastating effects HIV (the virus that causes AIDS) upon the body to realize what happens when our bodies lose our immunity shield. To say that the victims of AIDS become prey for every pathogen that walks by is an understatement. In my opinion HIV is far worse than the Ebola virus…. at least Ebola kills quickly…
Your immune system is a “system”, hence it has components, or parts.
What are the Parts that form your immune system?
1. Your ski... (read more)
Author: Mary Carlson
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16. Is Your Liver Working Like It Should?
March 17, 2006
So many people that are concerned with improving their health over look the health of their liver. The liver is called LIVE -R for a reason. The reason is the liver is involved with digestion and assimilation. It processes nutrients to give life to your body, to repair diseased and damaged tissue. It removes toxins and eliminates pathogen from getting into the blood that flow to all of your body cells.
Over 27,000 people every year die from chronic liver diseases and Cirrhosis. People with diabetes have a high number of deaths from liver deterioration. Over 60,000 people die from li... (read more)
Author: Rudy Silva
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