The CDC performed a systematic review of TB screening, specifically for healthcare personnel and have reassessed the need for serial TB testing.
TB screening with an individual risk assessment and symptom evaluation at baseline (preplacement)
TB testing with an interferon-gamma release assay (IGRA) or a tuberculin skin test (TST) for persons without documented prior TB disease or latent TB infection (LTBI)
No routine serial TB testing at any interval after baseline in the absence of a known exposure or ongoing transmission
Encouragement of treatment for all health care personnel with untreated LTBI, unless treatment is contraindicated
Annual symptom screening for health care personnel with untreated LTBI
Annual TB education of all health care personnel
The updated CDC recommendations are based on a comprehensive systematic review of the literature. TB screening includes TB risk assessment, symptom evaluation and TB testing for M. tuberculosis infection. The CDC also recommends workup for positive TB results or symptoms compatible with TB disease.
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