is mycobacterium avium intracellulare contagious?
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A: “Mycobacterium avium intracellulare” (MAI) or “Mycobacterium avium Complex” (MAC) is an atypical NON-TB germ (micro-organism). MAC is related to the tuberculosis germ, but is not contagious and the MAC microbes live in the environment.
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This can happen when someone with the untreated, active form of tuberculosis coughs, speaks, sneezes, spits, laughs or sings. Although tuberculosis is contagious, it's not easy to catch. You're much more likely to get tuberculosis from someone you live with or work with than from a stranger.
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Mycobacteria contain mycolic acids and have a high GC content in their DNA. A Gram stain cannot penetrate the waxy cell wall. The hydrophobic lipids cause the Gram stain to give no staining or a variable result.
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Is bronchitis contagious? Acute bronchitis can be contagious because it is usually caused by infection with a virus or bacteria. Chronic bronchitis is not likely to be contagious because it is a condition usually caused by long-term irritation of airways.
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It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria. Although TB is spread in a similar way to a cold or flu, it is not as contagious.
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Mycobacterium avium complex (MAC) is a group of bacteria related to tuberculosis. These germs are very common in food, water, and soil. Almost everyone has them in their bodies. When you have a strong immune system, they don't cause problems.
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Viruses are obligate intracellular parasites because can reproduce only within a host cell, never on their own. Each type of a virus has a "host range" of cells it can infect. Viruses identify a host cell by outer receptor molecules on a host cell.
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Tuberculosis (TB) is a contagious, airborne disease that typically affects the lungs. TB is caused by a bacterium called Mycobacterium tuberculosis. If the infection is not treated quickly, the bacteria can travel through the bloodstream to infect other organs and tissues.
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Extra-pulmonary tuberculosis is a non-contagious form of TB. It is not commonly accompanied with cough and high grade fevers as with pulmonary tuberculosis. However, both the contagious and non-contagious forms of tuberculosis need aggressive treatment as they can be fatal.
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Acute bronchitis can be contagious because it is usually caused by infection with a virus or bacteria. Chronic bronchitis is not likely to be contagious because it is a condition usually caused by long-term irritation of airways.
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Individuals with HFMD can be contagious during the incubation period (about three to six days) before symptoms develop and may remain contagious for days or weeks after the symptoms and signs abate. Even people with mild or no symptoms and signs during infection can be contagious.
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These include Avian Encephalomyelitis, Avian Influenza, Avian Tuberculosis, Chicken Anaemia Virus Infection (or CAV), Chlamydiosis, Egg Drop Syndrome (or EDS), Fowl Cholera (or Pasteurellosis), Fowl Pox, Infectious Bronchitis, Infectious Bursal Disease (or Gumboro), Infectious Coryza, Infectious Laryngotracheitis, ...
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But it can also affect other parts of the body. This could include the joints, bladder, spine, and brain. There are 2 types of TB: Latent or Inactive TB: The bacteria are present in your body but are not making you sick or contagious.
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An airline can refuse travel to any passenger who is unwell and they suspect may be contagious. Anyone who has recovered from an infectious disease, but still shows signs, for example spots following chicken pox, should carry a letter from their GP confirming that they are no longer infectious.
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THE ROLE OF THE CELL ENVELOPE IN ACID RESISTANCE At an external pH of 5, the internal pH of M tuberculosis H37Ra was close to 7, indicating that mycobacteria are able to maintain a neutral internal pH in an acidic environment (105), and other studies have confirmed this observation in M. ... tuberculosis (70, 95).
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The incubation period may vary from about two to 12 weeks. A person may remain contagious for a long time (as long as viable TB bacteria are present in sputum) and can remain contagious until they have been on appropriate therapy for several weeks.
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A PCR test based on insertion sequence IS1081 was developed to detect Mycobacterium tuberculosis complex organisms in the peripheral blood. The method was applied to blood samples from immunocompetent individuals with localized pulmonary tuberculosis.