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| Persons at Increased Risk for |
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| Drug Resistance |
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| • | History
of treatment with TB drugs |
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| • | Contacts
of persons with drug-resistant TB |
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| • | Foreign-born
persons from high prevalent drug |
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| resistant
areas |
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| • | Smears
or cultures remain positive despite |
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| 2
months of TB treatment |
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| • | Received
inadequate treatment regimens for |
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| >2
weeks |
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