TB Screening Tests: Test Sample - Lab Tests Online: Patient Education

TB Screening Tests: Test Sample - Lab Tests Online: Patient Education

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日期:2026-05-02
For the tuberculin skin test, no sample is required. The test is performed on a person's skin. A purified protein derivative (PPD) solution that contains M. tuberculosis antigens, but not live bacteria, is used to provoke a hypersensitivity skin reaction ...看更多