what is an opportunistic infection
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Opportunistic infection An opportunistic infection is an infection caused by bacterial, viral, fungal, or protozoan pathogens that take advantage of a host with a weakened immune system or an altered microbiota (such as a disrupted gut flora).Many of these pathogens do not cause disease in a healthy host that has a normal immune system.n opportunistic infection is an infection caused by bacterial, viral, fungal, or protozoan pathogens that take advantage of a host with a weakened immune system or an altered microbiota (such as a disrupted gut flora). Many of these pathogens do not cause disease in a healthy host that has a normal immune system.
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Difference Between Viral and Bacterial Infection They can be commensals, which live in harmony without causing any symptoms, and pathogens that cause diseases. Among commensals, there are organisms that cause diseases if the opportunity arises. These are called opportunistic pathogens. Bacterial infections present according to the severity of the infection. Bacterial infection results in the release of specific inflammatory mediators.
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opportunist Opportunists are people who see a chance to gain some advantage from a situation, often at the expense of ethics or morals. An opportunist seizes every opportunity to improve things for himself. Say you won millions in the lottery. People would come out of the woodwork hoping to get their hands on some of it. These people act as if they are close friends. But they are not; they are opportunists.
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Opportunistic Infections Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including people with HIV.
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- Refugees come from around the world and many make their claims in Canada. The number of people arriving varies from year to year. In 2014, more than 13,500 people came to Canada and made an asylum claim.
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ReviewSphingomonas paucimobilis: a persistent Gram-negative nosocomial infectious organism They are opportunistic pathogens that take advantage of underlying conditions and diseases. Sphingomonas paucimobilis, a non-fermenting Gram-negative bacillus, is regarded as of minor clinical significance; however, many instances of infections with this organism can be found in the literature.
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AIDS During the late stage of this disease an organism is very prone to opportunistic infections (infections caused by organisms that normally do not cause disease) and tumours (abnormal growth of an organ's tissue). Today, AIDS is still an incurable and fatal disease.
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opportunistic pathogen opportunistic pathogen, an organism that exists harmlessly as part of the normal human body environment and does not become a health threat until the body's immune system fails.
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- Opportunistic infection: An infection that occurs because of a weakened immune system. Opportunistic infections are a particular danger for people with AIDS.The HIV virus itself does not cause death, but the opportunistic infections that occur because of its effect on the immune system can.pportunistic infections are a particular danger for people with AIDS. The HIV virus itself does not cause death, but the opportunistic infections that occur because of its effect on the immune system can.
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HIV/AIDS HIV/AIDS — Opportunistic Infections. HIV/AIDS is an infectious disease. The letters stand for Human Immunodeficiency Virus, which is the name of the organism that causes this disease, and Acquired Immune Deficiency Syndrome, which is the name of the set of symptoms that characterize this condition.
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Glossary of HIV/AIDS-related Terms: Noun. 1. opportunistic infection-any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs).n infection by a microorganism or virus that normally does not cause disease but becomes pathogenic when the body's immune system is impaired, as in AIDS patients.
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What is an opportunistic infection? Answer by Diberri. Confidence votes 3.6K. An opportunistic infection (OI) is an infection that occurs only when the host's defense systems (ie, the immune system) are weakened. The common characteristic of all agents that cause opportunistic infections is that they rarely affect individuals with healthy immune systems.nswer by Diberri. Confidence votes 3.6K. An opportunistic infection (OI) is an infection that occurs only when the host's defense systems (ie, the immune system) are weakened. The common characteristic of all agents that cause opportunistic infections is that they rarely affect individuals with healthy immune systems.
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opportunistic infection opportunistic infection. n. An infection by a microorganism that normally does not cause disease but becomes pathogenic when the body's immune system is impaired and unable to fight off infection, as in AIDS and certain other diseases.pportunistic infection, n an infection by a microbial organism to which the patient is usually resistant; however, because of reduced vitality or through suppression of the immune system, the patient has become infected.
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- opportunistic infection [BACK TO TOP]. Meaning: Any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs).. any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs).
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- INTRODUCTION. Stenotrophomonas maltophilia is a multi-drug resistant gram-negative bacillus that is an opportunistic pathogen [ 1-4 ], particularly among hospitalized patients.Stenotrophomonas infections have been associated with high morbidity and mortality in severely immunocompromised and debilitated individuals.. maltophilia is the only species of Stenotrophomonas known to infect humans [ 7 ], whereas its closest genetic relatives are plant pathogens [ 7,8 ]. It is frequently isolated from soil, water, animals, plant matter, and hospital equipment [ 4,9-21 ].
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Opportunism Opportunism or opportunistic behavior is an important concept in such fields of study as biology, transaction cost economics, game theory, ethics, psychology, sociology and politics.
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- Many opportunistic infections and conditions are used to mark when HIV infection has progressed to AIDS. The general frequency of these infections and conditions varies from rare to common, but all are uncommon or mild in immunocompetent persons.
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- Opportunistic infections (infections that take advantage of a person's weakened immune system) are the most common complication of HIV/AIDS. Sometimes adults with HIV/AIDS can get an infection from germs that do not normally cause illness in a healthy person (like cryptococcus). People with AIDS (especially children) can get a severe version of a more common infection, such as chickenpox.
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opportunistic Medical Definition of opportunistic. 1: of, relating to, or being a microorganism that is usually harmless but can become pathogenic when the host's resistance to disease is impaired.
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Protect your health Opportunistic Infections and Diseases. With HIV, your compromised immune system makes you vulnerable to a number of opportunistic infections, cancers, and other conditions. Certain diseases are common to people with HIV. The Centers for Disease Control and Prevention (CDC) calls them “AIDS-defining” conditions. If you have one of these diseases, your infection with HIV has advanced to acquired immunodeficiency syndrome (AIDS). Some of the more common opportunistic diseases are listed below.
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Opportunistic infection Individuals at higher risk are often prescribed prophylactic medication to prevent an infection from occurring. A patient's risk level for developing an opportunistic infection is approximated using the patient's CD4 T-cell count and sometimes other markers of susceptibility.
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Pseudomonas aeruginosa Infections Pathophysiology. P aeruginosa is an opportunistic pathogen. It rarely causes disease in healthy persons. In most cases of infection, the integrity of a physical barrier to infection (eg, skin, mucous membrane) is lost or an underlying immune deficiency (eg, neutropenia, immunosuppression) is present.seudomonas aeruginosa has become an important cause of infection, especially in patients with compromised host defense mechanisms.
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Mycobacterial Infections, Atypical When a person's immune system is weakened, however, as in people who have HIV or AIDS, several strains of mycobacteria can cause opportunistic infections * . Atypical mycobacteria are related to the bacterium that causes tuberculosis (TB), but they often are resistant to the drugs used to treat TB.
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opportunistic infection Opportunistic infection. An infection that is normally mild in a healthy individual, but which takes advantage of an ill person's weakened immune system to move into the body, grow, spread, and cause serious illness.n infection by a microorganism that normally does not cause disease but becomes pathogenic when the body's immune system is impaired and unable to fight off infection, as in AIDS and certain other diseases.
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opportunistic infection An infection by a microorganism or virus that normally does not cause disease but becomes pathogenic when the body's immune system is impaired, as in AIDS patients.