| 31. | Mycobacteria are widespread organisms, typically living in water ( including tap water treated with chlorine ) and food sources.
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| 32. | Invaders like viruses and mycobacteria, which burrow deep inside the cells, are best fought off with the TH1 lymphocytes.
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| 33. | That doesn't tally with the theory that the early exposure to mycobacteria completely knocks out the effectiveness of BCG.
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| 34. | TB infection begins when the mycobacteria reach the pulmonary alveoli, where they invade and replicate within endosomes of alveolar macrophages.
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| 35. | However, even with these new techniques, the Runyon classification is still sometimes used to organize the mycobacteria into categories.
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| 36. | In time, other parts of the ileum and other regions of the body are teaming with millions of the mycobacteria.
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| 37. | Macrophages fuse together, forming large cells, called multinucleated giant cells, in an apparent attempt to kill the mycobacteria.
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| 38. | Infection from " human papilloma virus ( serotype 16 in particular ), mycobacteria " has also been suggested as a cause.
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| 39. | On the contrary, many cases of aseptic meningitis represent infection with viruses or mycobacteria that cannot be detected with routine methods.
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| 40. | The more commonly used term is nontuberculous mycobacteria ( NTM ) infection, or non-tuberculous mycobacterial infection ( NMI ).
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