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Alaska Tuberculosis Program Manual - Epidemiology - State of Alaska

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Index Patient with Negative Acid-Fast Bacilli Sputum<br />

Smear Results<br />

Use Figure 3 to prioritize contacts to smear-negative index patients.<br />

Figure 3: PRIORITIZATION OF CONTACTS TO SMEAR-NEGATIVE CASES 49<br />

Definition <strong>of</strong> abbreviations: AFB = acid-fast bacilli; HIV = human immunodeficiency virus; NAA = nucleic acid assay.<br />

* HIV or other medical risk factor.<br />

† Bronchoscopy, sputum induction, or autopsy.<br />

§ Exposure exceeds duration/environment limits per unit time established by the local TB control program for mediumpriority<br />

contacts.<br />

Source: CDC. Guidelines for the investigation <strong>of</strong> contacts <strong>of</strong> persons with infectious tuberculosis: recommendations from<br />

the National <strong>Tuberculosis</strong> Controllers Association and CDC. MMWR 2005;54(No. RR-15):13.<br />

A L A S K A T U B E R C U L O S I S P R O G R A M M A N U A L Contact Investigation 11.30<br />

Revised November 2012

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