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Alaska Tuberculosis Program Manual - Epidemiology - State of Alaska

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Figure 7: EVALUATION, TREATMENT, AND FOLLOW-UP OF<br />

LOW-PRIORITY CONTACTS 56<br />

Definition <strong>of</strong> abbreviations: CXR = chest radiograph; IGRA = interferon gamma release assay; LTBI = latent tuberculosis<br />

infection; TST = tuberculin skin test.<br />

* Note: An IGRA may be used in place <strong>of</strong> a TST.<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, and guidelines for using the QuantiFERON ® -TB Gold test<br />

for detecting Mycobacterium tuberculosis infection, United <strong>State</strong>s. MMWR 2005;54(No. RR-15):18.<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 11.40<br />

Revised November 2012

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