Most individuals who exhibit a positive tuberculin test

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    have never been exposed to the organism at some time in the past.
     will eventually develop post-primary tuberculosis.
     have developed a life-long, protective immunity to tuberculosis.
     have an active case of tuberculosis.
asked May 16, 2012 in Microbiology by anonymous
    

1 Answer

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have developed a life-long, protective immunity to tuberculosis.
answered May 17, 2012 by Bioshare ~Top Expert~ (34,070 points)

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