Diseases of Concern Tuberculosis

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Tuberculosis: What you should know!
TB skin Test
  • Standard test for detecting infection with M. tuberculosis
  • Intradermal administration of purified protein derivative read at 48-72 hours
  • Positive reaction indicates presence of infection but not necessarily active disease
  • Active disease is confirmed by culture[5]

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CDC - Division of Tuberculosis Elimination.  Slide Set " Core Curriculum on Tuberculosis: What the Clinician Should Know  http://www.cdc.gov/tb/publications/slidesets/corecurr/default.htm. September 2012.  PPT file.
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