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Identification of Persons Who Have
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Clinically Active TB
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Health
department has ultimate responsibility for
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ensuring TB
patients do not transmit TB
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Purpose of a
contact investigation is to find persons who
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Have TB
disease so treatment can be given, and further
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transmission stopped
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Have
LTBI so treatment can be given
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Are at
high risk of developing TB disease and require
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treatment until LTBI excluded
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